All Transactions
Transactions listed are from November 1 of previous year to April 1 of the following year.
- November 1, 1997
The Detroit Tigers signed Fernando Rodney as an amateur free agent.
Wilson Álvarez of the San Francisco Giants granted free agency.
Wade Boggs of the New York Yankees granted free agency.
Dwight Gooden of the New York Yankees granted free agency.
- November 2, 1997
The Cincinnati Reds signed Toby Borland as a free agent.
Jeff Blauser of the Atlanta Braves granted free agency.
- November 3, 1997
Paul Assenmacher of the Cleveland Indians granted free agency.
Rey Sánchez of the New York Yankees granted free agency.
Bill Spiers of the Houston Astros granted free agency.
- November 4, 1997
The Chicago White Sox signed Hansel Izquierdo as a free agent.
Jay Bell of the Kansas City Royals granted free agency.
- November 5, 1997
The Milwaukee Brewers signed Bronswell Patrick as a free agent.
Ricky Bones of the Kansas City Royals granted free agency.
Mark Lemke of the Atlanta Braves granted free agency.
Jack McDowell of the Cleveland Indians granted free agency.
Deion Sanders of the Cincinnati Reds granted free agency.
Doug Strange of the Montreal Expos granted free agency.
- November 6, 1997
The Atlanta Braves signed Jung Bong as an amateur free agent.
Scott Bailes of the Texas Rangers granted free agency.
Joey Cora of the Seattle Mariners granted free agency.
Craig Shipley of the San Diego Padres granted free agency.
The Boston Red Sox traded Mark Brandenburg, Bill Haselman and Aaron Sele to the Texas Rangers for Damon Buford and Jim Leyritz.
- November 7, 1997
The San Diego Padres signed Archie Corbin as a free agent.
The Seattle Mariners signed Rickey Cradle as a free agent.
The San Diego Padres signed Carlos Reyes as a free agent.
The Baltimore Orioles signed Eddie Rogers as an amateur free agent.
The Arizona Diamondbacks signed Phil Stockman as an amateur free agent.
Mike Bielecki of the Atlanta Braves granted free agency.
Pat Borders of the Cleveland Indians granted free agency.
Brett Butler of the Los Angeles Dodgers granted free agency.
Norm Charlton of the Seattle Mariners granted free agency.
Ken Hill of the Anaheim Angels granted free agency.
Pat Kelly of the New York Yankees granted free agency.
Chad Kreuter of the Anaheim Angels granted free agency.
Scott Livingstone of the St. Louis Cardinals granted free agency.
Bip Roberts of the Cleveland Indians granted free agency.
The Chicago White Sox purchased Doug Creek from the San Francisco Giants.
The New York Yankees traded Kenny Rogers and cash to the Oakland Athletics for a player to be named later. The Oakland Athletics sent Scott Brosius (November 18, 1997) to the New York Yankees to complete the trade.
- November 9, 1997
The Minnesota Twins signed Jon Shave as a free agent.
- November 10, 1997
The Detroit Tigers signed Robert Ellis as a free agent.
The Arizona Diamondbacks signed Chris Michalak as a free agent.
Jeff McCurry of the Colorado Rockies granted free agency.
The Cincinnati Reds traded Jeff Brantley to the St. Louis Cardinals for Dmitri Young.
- November 11, 1997
The Toronto Blue Jays signed Luis Andújar as a free agent.
The New York Yankees traded Charlie Hayes and cash to the San Francisco Giants for Alberto Castillo and Chris Singleton.
The Florida Marlins traded Moisés Alou to the Houston Astros for a player to be named later, Manuel Barrios and Óscar Henríquez. The Houston Astros sent Mark Johnson (December 16, 1997) to the Florida Marlins to complete the trade.
The Cincinnati Reds traded Paul Bako and Donne Wall to the Detroit Tigers for Melvin Nieves.
The Cincinnati Reds traded Mike Kelly to the Tampa Bay Devil Rays for a player to be named later. The Tampa Bay Devil Rays sent Dmitri Young (November 18, 1997) to the Cincinnati Reds to complete the trade.
The Cincinnati Reds traded Félix Rodríguez to the Arizona Diamondbacks for a player to be named later. The Arizona Diamondbacks sent Scott Winchester (November 18, 1997) to the Cincinnati Reds to complete the trade.
- November 12, 1997
The Cleveland Indians signed Paul Assenmacher as a free agent.
The San Diego Padres signed Carlos Hernández as a free agent.
The Oakland Athletics signed Dave Magadan as a free agent.
The San Diego Padres signed Alan Newman as a free agent.
The New York Yankees signed Luis Sojo as a free agent.
- November 13, 1997
The Seattle Mariners signed Jalal Leach as a free agent.
- November 14, 1997
The Tampa Bay Devil Rays signed Alex Cabrera as a free agent.
The Colorado Rockies signed Dave Wainhouse as a free agent.
- November 15, 1997
The Anaheim Angels signed Ken Hill as a free agent.
- November 17, 1997
The Arizona Diamondbacks signed Jay Bell as a free agent.
The Milwaukee Brewers signed Johnny Ruffin as a free agent.
The Boston Red Sox signed Bret Saberhagen as a free agent.
The Atlanta Braves signed Walt Weiss as a free agent.
- November 18, 1997
The Florida Marlins sent Kurt Miller to the Chicago Cubs as part of a conditional deal.
The Seattle Mariners signed Joey Cora as a free agent.
The Tampa Bay Devil Rays signed Roberto Hernández as a free agent.
The Colorado Rockies signed Jeff Huson as a free agent.
The Milwaukee Brewers signed Doug Jones as a free agent.
The Tampa Bay Devil Rays signed Tim Laker as a free agent.
The Colorado Rockies signed Jeff Reed as a free agent.
The Tampa Bay Devil Rays purchased Fred McGriff from the Atlanta Braves.
The Arizona Diamondbacks traded Matt Drews (minors), Gabe Alvarez and Joe Randa to the Detroit Tigers for Travis Fryman.
The Arizona Diamondbacks traded Jesus Martinez (minors) to the Florida Marlins for Devon White.
The Colorado Rockies traded Mark Hamlin (minors), John Nicholson (minors) and Jake Westbrook to the Montreal Expos for Mike Lansing.
The San Diego Padres traded John Flaherty to the Tampa Bay Devil Rays for Brian Boehringer and Andy Sheets.
The Arizona Diamondbacks traded Chuck McElroy to the Colorado Rockies for Harvey Pulliam.
The Florida Marlins traded Robb Nen to the San Francisco Giants for Mick Pageler (minors), Mike Villano (minors) and Joe Fontenot.
The Boston Red Sox traded a player to be named later and Carl Pavano to the Montreal Expos for Pedro Martinez. The Boston Red Sox sent Tony Armas (December 18, 1997) to the Montreal Expos to complete the trade.
The Philadelphia Phillies traded Kevin Stocker to the Tampa Bay Devil Rays for Bobby Abreu.
The Tampa Bay Devil Rays drafted Tony Saunders from the Florida Marlins as the 1st pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Brian Anderson from the Cleveland Indians as the 2nd pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Jeff Suppan from the Boston Red Sox as the 3rd pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Quinton McCracken from the Colorado Rockies as the 4th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Gabe Alvarez from the San Diego Padres as the 5th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Bobby Abreu from the Houston Astros as the 6th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Jorge Fábregas from the Chicago White Sox as the 7th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Miguel Cairo from the Chicago Cubs as the 8th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Karim García from the Los Angeles Dodgers as the 9th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Rich Butler from the Toronto Blue Jays as the 10th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Edwin Díaz from the Texas Rangers as the 11th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Bob Smith from the Atlanta Braves as the 12th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Cory Lidle from the New York Mets as the 13th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Jason Johnson from the Pittsburgh Pirates as the 14th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Joel Adamson from the Milwaukee Brewers as the 15th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Dmitri Young from the Cincinnati Reds as the 16th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Ben Ford from the New York Yankees as the 17th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Esteban Yan from the Baltimore Orioles as the 18th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Yamil Benítez from the Kansas City Royals as the 19th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Mike Difelice from the St. Louis Cardinals as the 20th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Neil Weber from the Montreal Expos as the 21st pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Bubba Trammell from the Detroit Tigers as the 22nd pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Jason Boyd from the Philadelphia Phillies as the 23rd pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Andy Sheets from the Seattle Mariners as the 24th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Brent Brede from the Minnesota Twins as the 25th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Dennis Springer from the Anaheim Angels as the 26th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Tony Batista from the Oakland Athletics as the 27th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Dan Carlson from the San Francisco Giants as the 28th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Tom Martin from the Houston Astros as the 29th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Brian Boehringer from the New York Yankees as the 30th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Omar Daal from the Toronto Blue Jays as the 31st pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Mike Duvall from the Florida Marlins as the 32nd pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Scott Winchester from the Cincinnati Reds as the 33rd pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted John LeRoy from the Atlanta Braves as the 34th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Clint Sodowsky from the Pittsburgh Pirates as the 35th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Jim Mecir from the Boston Red Sox as the 36th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Danny Klassen from the Milwaukee Brewers as the 37th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Bryan Rekar from the Colorado Rockies as the 38th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Rick Gorecki from the Los Angeles Dodgers as the 40th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Todd Erdos from the San Diego Padres as the 41st pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Ramón Tatís from the Chicago Cubs as the 42nd pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Chris Clemons from the Chicago White Sox as the 43rd pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Kerry Robinson from the St. Louis Cardinals as the 44th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted David Dellucci from the Baltimore Orioles as the 45th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Steve Cox from the Oakland Athletics as the 46th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Damian Miller from the Minnesota Twins as the 47th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Albie Lopez from the Cleveland Indians as the 48th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Héctor Carrasco from the Kansas City Royals as the 49th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted José Paniagua from the Montreal Expos as the 50th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Hanley Frias from the Texas Rangers as the 51st pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Carlos Mendoza from the New York Mets as the 52nd pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Bob Wolcott from the Seattle Mariners as the 53rd pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Ryan Karp from the Philadelphia Phillies as the 54th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Mike Bell from the Anaheim Angels as the 55th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Joe Randa from the Pittsburgh Pirates as the 57th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Randy Winn from the Florida Marlins as the 58th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Terrell Wade from the Atlanta Braves as the 60th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Russ Springer from the Houston Astros as the 61st pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Aaron Ledesma from the Baltimore Orioles as the 62nd pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Bryan Corey from the Detroit Tigers as the 63rd pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Brooks Kieschnick from the Chicago Cubs as the 64th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Kelly Stinnett from the Milwaukee Brewers as the 65th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Chuck McElroy from the Chicago White Sox as the 67th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Herbert Perry from the Cleveland Indians as the 68th pick in the 1997 expansion draft.
The Arizona Diamondbacks drafted Marty Janzen from the Toronto Blue Jays as the 69th pick in the 1997 expansion draft.
The Tampa Bay Devil Rays drafted Vaughn Eshelman from the Oakland Athletics as the 70th pick in the 1997 expansion draft.
- November 19, 1997
The Arizona Diamondbacks signed Chris Jones as a free agent.
The Detroit Tigers traded Ryan Balfe (minors), Dan Miceli and Donne Wall to the San Diego Padres for Trey Beamon and Tim Worrell.
- November 20, 1997
The Atlanta Braves signed Andrés Galarraga as a free agent.
The San Diego Padres signed Creighton Gubanich as a free agent.
The Texas Rangers signed Scott Sheldon as a free agent.
Seibu Lions (Japan Pacific) purchased Brian Raabe from the Colorado Rockies.
The Florida Marlins released Bob Natal.
The Florida Marlins released John Wehner.
The Anaheim Angels traded Nick Skuse (minors) to the Detroit Tigers for Phil Nevin and Matt Walbeck.
The Florida Marlins traded Jeff Conine to the Kansas City Royals for Blaine Mull (minors).
The Detroit Tigers traded Rick Greene, Mike Myers and Santiago Pérez to the Milwaukee Brewers for Bryce Florie.
The Florida Marlins traded Ed Vosberg to the San Diego Padres for Chris Clark (minors).
- November 21, 1997
The Boston Red Sox signed Mike Benjamin as a free agent.
The San Francisco Giants signed Brent Mayne as a free agent.
The Boston Red Sox signed Sun-Woo Kim as an amateur free agent.
Roger Pavlik of the Texas Rangers granted free agency.
Yakult Swallows (Japan Central) purchased Lyle Mouton from the Chicago White Sox.
- November 22, 1997
The Oakland Athletics signed Damon Berryhill as a free agent.
The Kansas City Royals signed Raúl González as a free agent.
The Texas Rangers signed Scott Klingenbeck as a free agent.
The Oakland Athletics signed Shane Mack as a free agent.
- November 24, 1997
The Houston Astros signed Dave Clark as a free agent.
The Arizona Diamondbacks signed Reid Cornelius as a free agent.
The Pittsburgh Pirates signed Steve Decker as a free agent.
The St. Louis Cardinals signed Larry Luebbers as a free agent.
The New York Mets signed John Olerud as a free agent.
The Baltimore Orioles signed Lenny Webster as a free agent.
The Boston Red Sox purchased Jimmy Hurst from the Detroit Tigers.
- November 25, 1997
The Kansas City Royals signed Mike Macfarlane as a free agent.
The San Diego Padres signed Greg Myers as a free agent.
The St. Louis Cardinals signed Steve Schrenk as a free agent.
The Houston Astros signed Bill Spiers as a free agent.
The New York Yankees signed Dale Sveum as a free agent.
The Toronto Blue Jays signed Shannon Withem as a free agent.
The San Diego Padres released Rich Batchelor.
The Cleveland Indians selected Chad Fonville off waivers from the Chicago White Sox.
- November 26, 1997
The Toronto Blue Jays signed Darrin Fletcher as a free agent.
The Houston Astros signed Doug Henry as a free agent.
The San Francisco Giants signed Stan Javier as a free agent.
The Toronto Blue Jays signed Randy Myers as a free agent.
The Arizona Diamondbacks signed Kirt Ojala as a free agent.
The Houston Astros signed J.R. Phillips as a free agent.
The San Francisco Giants signed Chad Zerbe as a free agent.
The Chicago White Sox released Jeff Darwin.
The Oakland Athletics traded David Newhan and Don Wengert to the San Diego Padres for Doug Bochtler and Jorge Velandia.
- November 27, 1997
The Toronto Blue Jays signed Craig Grebeck as a free agent.
The Cincinnati Reds signed Ricardo Jordan as a free agent.
The Toronto Blue Jays signed Pat Kelly as a free agent.
- December 1, 1997
The Chicago Cubs signed Derrick White as a free agent.
The Texas Rangers signed Matt Miller as a free agent.
The Milwaukee Brewers released Jack Voigt.
The Arizona Diamondbacks traded Travis Fryman, Tom Martin and cash to the Cleveland Indians for Matt Williams.
The Kansas City Royals selected Orlando Miller off waivers from the Detroit Tigers.
- December 2, 1997
The Detroit Tigers signed Joe Siddall as a free agent.
The Pittsburgh Pirates signed Doug Strange as a free agent.
- December 3, 1997
The Tampa Bay Devil Rays signed Wilson Álvarez as a free agent.
The Boston Red Sox signed Jim Corsi as a free agent.
The Los Angeles Dodgers signed Trent Hubbard as a free agent.
The Seattle Mariners signed Ken Huckaby as a free agent.
- December 4, 1997
The Anaheim Angels signed Frank Bolick as a free agent.
The Anaheim Angels signed Greg Cadaret as a free agent.
The St. Louis Cardinals signed David Howard as a free agent.
The Colorado Rockies signed Darryl Kile as a free agent.
The Tampa Bay Devil Rays signed Dave Martinez as a free agent.
The Kansas City Royals signed Hipólito Pichardo as a free agent.
The Chicago Cubs signed Alan Zinter as a free agent.
Yakult Swallows (Japan Central) purchased Mark Acre from the Oakland Athletics.
Hanshin Tigers (Japan Central) purchased Doug Creek from the Chicago White Sox.
- December 5, 1997
The Cleveland Indians signed Rich Batchelor as a free agent.
The Atlanta Braves signed Rafael Belliard as a free agent.
The Minnesota Twins signed Esteban Beltré as a free agent.
The Oakland Athletics signed Jim Dougherty as a free agent.
The Baltimore Orioles signed Scott Kamieniecki as a free agent.
The St. Louis Cardinals signed Willie McGee as a free agent.
The Anaheim Angels signed Steve Scarsone as a free agent.
The Minnesota Twins signed Chris Turner as a free agent.
The Oakland Athletics signed Jack Voigt as a free agent.
- December 6, 1997
The Arizona Diamondbacks signed Willie Blair as a free agent.
The San Francisco Giants signed Danny Darwin as a free agent.
The New York Mets signed Mike Fyhrie as a free agent.
The St. Louis Cardinals signed Gary Gaetti as a free agent.
The New York Mets signed Todd Haney as a free agent.
The Milwaukee Brewers signed Darrin Jackson as a free agent.
The Minnesota Twins signed Paul Molitor as a free agent.
The Toronto Blue Jays signed Juan Samuel as a free agent.
- December 7, 1997
The Baltimore Orioles signed Brady Anderson as a free agent.
The Texas Rangers signed Scott Bailes as a free agent.
The Anaheim Angels signed Rich DeLucia as a free agent.
The San Francisco Giants signed Rich Rodriguez as a free agent.
- December 8, 1997
The Toronto Blue Jays signed Mark Dalesandro as a free agent.
The Texas Rangers signed Kevin Elster as a free agent.
The Toronto Blue Jays signed Tony Fernández as a free agent.
The Cleveland Indians signed Dwight Gooden as a free agent.
The Detroit Tigers signed Denny Harriger as a free agent.
The Cleveland Indians signed Kenny Lofton as a free agent.
The Seattle Mariners signed John Marzano as a free agent.
The Tampa Bay Devil Rays signed Paul Sorrento as a free agent.
The Toronto Blue Jays signed Mike Stanley as a free agent.
The Detroit Tigers signed Pedro Swann as a free agent.
The Los Angeles Dodgers signed José Vizcaíno as a free agent.
The Pittsburgh Pirates signed Mike Williams as a free agent.
The Cleveland Indians traded Mike Fetters to the Oakland Athletics for Steve Karsay.
The Cleveland Indians traded Marquis Grissom and Jeff Juden to the Milwaukee Brewers for Mike Fetters, Ben McDonald and Ron Villone.
- December 9, 1997
The Texas Rangers signed Luis Alicea as a free agent.
The Chicago Cubs signed Jeff Blauser as a free agent.
The Tampa Bay Devil Rays signed Wade Boggs as a free agent.
The Oakland Athletics signed Tom Candiotti as a free agent.
The Boston Red Sox signed Dennis Eckersley as a free agent.
The Detroit Tigers signed Luis Gonzalez as a free agent.
The San Francisco Giants signed Orel Hershiser as a free agent.
The Oakland Athletics signed Mark Holzemer as a free agent.
The Houston Astros signed Jack Howell as a free agent.
The Texas Rangers signed Roberto Kelly as a free agent.
- December 10, 1997
The New York Yankees signed Chili Davis as a free agent.
The Toronto Blue Jays signed Alex Delgado as a free agent.
The Chicago White Sox signed Chad Kreuter as a free agent.
The Chicago White Sox signed Charlie O'Brien as a free agent.
The Houston Astros signed Marc Ronan as a free agent.
The Pittsburgh Pirates signed Jeff Tabaka as a free agent.
The Cincinnati Reds traded Curtis Goodwin to the Colorado Rockies for Mark Hutton.
The Colorado Rockies traded a player to be named later and Terry Jones to the Montreal Expos for Mark Hamlin (minors) and Dave Veres. The Colorado Rockies sent Mark Mangum (minors) (June 5, 1998) to the Montreal Expos to complete the trade.
- December 11, 1997
The Detroit Tigers signed Frank Castillo as a free agent.
The Baltimore Orioles signed Doug Drabek as a free agent.
The Toronto Blue Jays signed José Herrera as a free agent.
The Minnesota Twins signed Otis Nixon as a free agent.
The Anaheim Angels signed Omar Olivares as a free agent.
The Atlanta Braves traded Chad Fox to the Milwaukee Brewers for Gerald Williams.
The Toronto Blue Jays traded Sandy Martínez to the Chicago Cubs for a player to be named later. The Chicago Cubs sent Trevor Schaffer (minors) (December 19, 1997) to the Toronto Blue Jays to complete the trade.
- December 12, 1997
The Baltimore Orioles signed Joe Carter as a free agent.
The Detroit Tigers signed Bip Roberts as a free agent.
The Seattle Mariners signed David Segui as a free agent.
The Florida Marlins released Alex Arias.
The Detroit Tigers released Kevin Jarvis.
The Chicago Cubs traded Miguel Batista to the Montreal Expos for Henry Rodríguez.
The Minnesota Twins traded Rich Becker to the New York Mets for Alex Ochoa.
- December 15, 1997
The Chicago White Sox drafted Joe Davenport from the Toronto Blue Jays in the 1997 rule 5 draft.
The Atlanta Braves drafted Brian Edmondson from the New York Mets in the 1997 rule 5 draft.
The Cincinnati Reds drafted Keith Glauber from the St. Louis Cardinals in the 1997 rule 5 draft.
The Seattle Mariners drafted Jeff Huson from the Colorado Rockies in the 1997 rule 5 draft.
The Los Angeles Dodgers drafted Frank Lankford from the New York Yankees in the 1997 rule 5 draft.
The Philadelphia Phillies drafted Héctor Mercado from the Florida Marlins in the 1997 rule 5 draft.
The Texas Rangers drafted Scott Podsednik from the Florida Marlins in the 1997 rule 5 draft.
The Arizona Diamondbacks drafted Steve Randolph from the New York Yankees in the 1997 rule 5 draft.
The Detroit Tigers drafted Sean Runyan from the San Diego Padres in the 1997 rule 5 draft.
The Toronto Blue Jays drafted Luis Saturria from the St. Louis Cardinals in the 1997 rule 5 draft.
The New York Yankees drafted Matt Williams from the Tampa Bay Devil Rays in the 1997 rule 5 draft.
The Chicago Cubs drafted Roosevelt Brown from the Florida Marlins in the 1997 minor league draft.
The Oakland Athletics drafted Frank Menechino from the Chicago White Sox in the 1997 minor league draft.
The Colorado Rockies drafted Juan Sosa from the Los Angeles Dodgers in the 1997 minor league draft.
The Chicago Cubs drafted Danny Young from the Pittsburgh Pirates in the 1997 minor league draft.
The Philadelphia Phillies signed Billy Brewer as a free agent.
The Baltimore Orioles signed Norm Charlton as a free agent.
The Kansas City Royals signed Dean Palmer as a free agent.
The Anaheim Angels signed Lou Pote as a free agent.
The Atlanta Braves signed Rudy Seánez as a free agent.
The Seattle Mariners signed Rick Wilkins as a free agent.
The Arizona Diamondbacks signed Tom Wilson as a free agent.
The Pittsburgh Pirates released Steve Cooke.
The Seattle Mariners released Brent Gates.
The Oakland Athletics released Pat Lennon.
The Anaheim Angels released Brandon Puffer.
The Seattle Mariners released Lee Tinsley.
The Florida Marlins traded Kevin Brown to the San Diego Padres for Steve Hoff (minors), Derrek Lee and Rafael Medina.
The New York Mets traded Mike Welch to the Philadelphia Phillies for Héctor Mercado.
The Oakland Athletics drafted Javier Martínez from the Chicago Cubs in the 1997 rule 5 draft.
The Pittsburgh Pirates purchased Javier Martínez from the Oakland Athletics.
- December 16, 1997
The Tampa Bay Devil Rays signed Israel Alcántara as a free agent.
The Oakland Athletics signed Mike Blowers as a free agent.
The Cleveland Indians signed Pat Borders as a free agent.
The Texas Rangers signed Terry Clark as a free agent.
The Seattle Mariners signed Tony Fossas as a free agent.
The Oakland Athletics signed Gil Heredia as a free agent.
The Seattle Mariners signed Pat Listach as a free agent.
The Tampa Bay Devil Rays signed Scott McClain as a free agent.
The St. Louis Cardinals signed Kent Mercker as a free agent.
The Minnesota Twins signed Mike Morgan as a free agent.
The Texas Rangers signed Warren Newson as a free agent.
The Detroit Tigers signed Billy Ripken as a free agent.
The San Diego Padres signed Pete Smith as a free agent.
The Seattle Mariners signed Randy Veres as a free agent.
The Kansas City Royals signed Runelvys Hernández as an amateur free agent.
The St. Louis Cardinals released Roberto Mejía.
- December 17, 1997
The Arizona Diamondbacks signed Hensley Meulens as a free agent.
The Kansas City Royals signed Luis Ortiz as a free agent.
The Los Angeles Dodgers signed Tim Scott as a free agent.
The Texas Rangers signed Mike Simms as a free agent.
The Milwaukee Brewers signed Eddie Zosky as a free agent.
Orix (Japan Pacific) purchased Harvey Pulliam from the Arizona Diamondbacks.
- December 18, 1997
The Pittsburgh Pirates signed Steve Bieser as a free agent.
The Arizona Diamondbacks signed Scott Brow as a free agent.
The Pittsburgh Pirates signed Terry Burrows as a free agent.
The Cleveland Indians signed Rheal Cormier as a free agent.
The Chicago Cubs signed Micah Franklin as a free agent.
The Arizona Diamondbacks signed Greg Hansell as a free agent.
The Arizona Diamondbacks signed Barry Manuel as a free agent.
The Tampa Bay Devil Rays signed Josías Manzanillo as a free agent.
The Pittsburgh Pirates signed Jeff McCurry as a free agent.
The St. Louis Cardinals signed Rusty Meacham as a free agent.
The New York Yankees signed Scott Pose as a free agent.
The Atlanta Braves traded a player to be named later to the Minnesota Twins for Greg Myers. The Atlanta Braves sent Steve Hacker (minors) (December 18, 1997) to the Minnesota Twins to complete the trade.
The Florida Marlins traded Dennis Cook to the New York Mets for Fletcher Bates (minors) and Scott Comer (minors).
- December 19, 1997
The Tampa Bay Devil Rays signed Scott Aldred as a free agent.
The Baltimore Orioles signed Harold Baines as a free agent.
The Tampa Bay Devil Rays signed Dave Eiland as a free agent.
The Anaheim Angels signed Cecil Fielder as a free agent.
The New York Mets signed Shawn Gilbert as a free agent.
The Colorado Rockies signed Nelson Liriano as a free agent.
The Cleveland Indians signed Torey Lovullo as a free agent.
The Colorado Rockies signed Sherman Obando as a free agent.
The San Francisco Giants signed Erik Plantenberg as a free agent.
The New York Mets signed Ricky Trlicek as a free agent.
The Milwaukee Brewers signed Brad Woodall as a free agent.
The Florida Marlins traded Kurt Abbott to the Oakland Athletics for Eric Ludwick.
The Chicago White Sox traded Al Levine and Larry Thomas to the Texas Rangers for Benji Gil.
- December 20, 1997
The San Francisco Giants signed Chris Brock as a free agent.
Kent Bottenfield of the Chicago Cubs granted free agency.
Joey Eischen of the Cincinnati Reds granted free agency.
Mike Mordecai of the Atlanta Braves granted free agency.
The Cincinnati Reds selected David Weathers off waivers from the Cleveland Indians.
- December 21, 1997
Brian Barber of the St. Louis Cardinals granted free agency.
Gerónimo Berroa of the Baltimore Orioles granted free agency.
Sean Berry of the Houston Astros granted free agency.
Tilson Brito of the Oakland Athletics granted free agency.
Chuck Carr of the Houston Astros granted free agency.
Carlos García of the Toronto Blue Jays granted free agency.
Bob Hamelin of the Detroit Tigers granted free agency.
Wilson Heredia of the Texas Rangers granted free agency.
Fernando Hernández of the Detroit Tigers granted free agency.
Ryan Karp of the Tampa Bay Devil Rays granted free agency.
Mark Lewis of the San Francisco Giants granted free agency.
Norberto Martin of the Chicago White Sox granted free agency.
Matt Mieske of the Milwaukee Brewers granted free agency.
Orlando Miller of the Kansas City Royals granted free agency.
Izzy Molina of the Oakland Athletics granted free agency.
Willis Otáñez of the Baltimore Orioles granted free agency.
Pat Rapp of the San Francisco Giants granted free agency.
Steve Reed of the Colorado Rockies granted free agency.
Tim Spehr of the Atlanta Braves granted free agency.
Andy Stankiewicz of the Montreal Expos granted free agency.
William VanLandingham of the San Francisco Giants granted free agency.
The Baltimore Orioles released Brian Williams.
Matt Mantei of the Florida Marlins granted free agency.
Kevin Millar of the Florida Marlins granted free agency.
John Roskos of the Florida Marlins granted free agency.
The Florida Marlins signed Matt Mantei as a free agent.
The Florida Marlins signed Kevin Millar as a free agent.
The Florida Marlins signed John Roskos as a free agent.
- December 22, 1997
The Houston Astros signed Rob Butler as a free agent.
The Cincinnati Reds signed Steve Cooke as a free agent.
The Anaheim Angels signed Chip Hale as a free agent.
The Texas Rangers signed Joe Hall as a free agent.
The New York Yankees signed Darren Holmes as a free agent.
The St. Louis Cardinals signed Wayne Kirby as a free agent.
The Florida Marlins signed Randy Knorr as a free agent.
The Oakland Athletics signed Izzy Molina as a free agent.
The Kansas City Royals signed Hal Morris as a free agent.
The Detroit Tigers signed Joe Oliver as a free agent.
The Houston Astros signed Bob Scanlan as a free agent.
The Detroit Tigers signed Andy Tomberlin as a free agent.
The Houston Astros traded John Hudek to the New York Mets for Carl Everett.
- December 23, 1997
The Colorado Rockies signed Greg Colbrunn as a free agent.
The Texas Rangers signed Scott Cooper as a free agent.
The Minnesota Twins signed Brent Gates as a free agent.
The Boston Red Sox signed Darren Lewis as a free agent.
The Philadelphia Phillies signed Mark Lewis as a free agent.
The New York Mets signed Craig Paquette as a free agent.
The Texas Rangers signed Roger Pavlik as a free agent.
The Chicago Cubs traded Doug Glanville to the Philadelphia Phillies for Mickey Morandini.
- December 24, 1997
The Baltimore Orioles signed P.J. Forbes as a free agent.
The San Francisco Giants signed Steve Reed as a free agent.
The Minnesota Twins signed Micheal Nakamura as an amateur free agent.
- December 26, 1997
The Philadelphia Phillies signed Alex Arias as a free agent.
The New York Mets signed Jim Tatum as a free agent.
- December 27, 1997
The Philadelphia Phillies signed Gary Bennett as a free agent.
The Seattle Mariners signed Rico Rossy as a free agent.
Kevin Tolar of the New York Mets granted free agency.
The Pittsburgh Pirates signed Kevin Tolar as a free agent.
- December 29, 1997
The Chicago Cubs signed Matt Mieske as a free agent.
The Houston Astros signed Roberto Rivera as a free agent.
The San Diego Padres signed Stan Spencer as a free agent.
The Pittsburgh Pirates signed Ronny Paulino as an amateur free agent.
- December 30, 1997
The Chicago Cubs signed Bry Nelson as a free agent.
- January 2, 1998
The Arizona Diamondbacks signed Adam Hyzdu as a free agent.
- January 3, 1998
The Colorado Rockies signed Bruce Ruffin as a free agent.
- January 5, 1998
The Kansas City Royals signed Brian Barber as a free agent.
The Toronto Blue Jays signed Jacob Brumfield as a free agent.
The Arizona Diamondbacks signed Brent Cookson as a free agent.
- January 6, 1998
The Minnesota Twins signed Ricky Bones as a free agent.
The Florida Marlins signed Brian Daubach as a free agent.
The Cleveland Indians signed Carlos García as a free agent.
The New York Yankees signed Manny Acosta as an amateur free agent.
The Boston Red Sox signed Anastacio Martínez as an amateur free agent.
The New York Mets signed Jae Weong Seo as an amateur free agent.
Yakult Swallows (Japan Central) purchased Travis Driskill from the Cleveland Indians.
The Texas Rangers purchased Jeff Zimmerman from Winnipeg (Northern).
The Milwaukee Brewers traded a player to be named later to the St. Louis Cardinals for unknown compensation. The Milwaukee Brewers sent Scotty Pace (minors) (January 6, 1998) to the St. Louis Cardinals to complete the trade.
- January 7, 1998
The Los Angeles Dodgers signed Thomas Howard as a free agent.
The San Diego Padres signed Mark Langston as a free agent.
The Pittsburgh Pirates signed Steve Mintz as a free agent.
The Chicago Cubs signed Tim Unroe as a free agent.
- January 8, 1998
The St. Louis Cardinals signed Kent Bottenfield as a free agent.
The Cleveland Indians signed John Cummings as a free agent.
The Cleveland Indians signed John Ericks as a free agent.
The Cleveland Indians signed Jason Grimsley as a free agent.
The Seattle Mariners signed Glenallen Hill as a free agent.
The Cleveland Indians signed Jamie McAndrew as a free agent.
The Baltimore Orioles signed Willis Otáñez as a free agent.
The Tampa Bay Devil Rays signed Brad Pennington as a free agent.
The Cincinnati Reds signed José Rijo as a free agent.
The New York Mets signed Tim Spehr as a free agent.
The Arizona Diamondbacks signed Andy Stankiewicz as a free agent.
The New York Yankees signed Darryl Strawberry as a free agent.
The Chicago Cubs signed Ben Van Ryn as a free agent.
The New York Mets released Joe Crawford.
- January 9, 1998
The Houston Astros signed Reggie Harris as a free agent.
The Baltimore Orioles signed Doug Johns as a free agent.
The Anaheim Angels signed Norberto Martin as a free agent.
The Houston Astros signed Pete Schourek as a free agent.
The Chicago White Sox signed Rubén Sierra as a free agent.
- January 10, 1998
The Anaheim Angels signed William VanLandingham as a free agent.
- January 11, 1998
The Arizona Diamondbacks signed Mark Davis as a free agent.
- January 12, 1998
The San Francisco Giants signed Jeff Ball as a free agent.
The San Francisco Giants signed Jeff Darwin as a free agent.
The Los Angeles Dodgers signed Mark Gubicza as a free agent.
The Kansas City Royals signed Chris Hammond as a free agent.
The San Francisco Giants signed Dean Hartgraves as a free agent.
The Philadelphia Phillies signed Richie Lewis as a free agent.
The St. Louis Cardinals signed Roberto Mejía as a free agent.
The San Francisco Giants signed Henry Mercedes as a free agent.
The Arizona Diamondbacks signed Mike Robertson as a free agent.
The Cincinnati Reds signed Pete Rose Jr. as a free agent.
- January 13, 1998
The Houston Astros signed Sean Berry as a free agent.
The Chicago White Sox signed Larry Casian as a free agent.
The Chicago White Sox signed Lou Frazier as a free agent.
The Atlanta Braves signed Ray Holbert as a free agent.
The Cleveland Indians signed Ron Karkovice as a free agent.
The San Diego Padres signed Eddie Williams as a free agent.
The New York Mets signed Masato Yoshii as a free agent.
- January 14, 1998
The Milwaukee Brewers signed Bob Hamelin as a free agent.
The Minnesota Twins signed Orlando Merced as a free agent.
The Cincinnati Reds signed Brandon Puffer as a free agent.
The Boston Red Sox signed Pete Walker as a free agent.
The Philadelphia Phillies signed Anderson Machado as an amateur free agent.
The Houston Astros traded James Mouton to the San Diego Padres for Sean Bergman.
- January 15, 1998
The Chicago Cubs signed Rod Beck as a free agent.
The New York Yankees signed Tim Raines as a free agent.
- January 16, 1998
The Los Angeles Dodgers signed Mike Devereaux as a free agent.
- January 19, 1998
The Cleveland Indians signed Jolbert Cabrera as a free agent.
The Anaheim Angels signed Rich Robertson as a free agent.
The Texas Rangers signed Bobby Witt as a free agent.
The Tampa Bay Devil Rays signed José Veras as an amateur free agent.
- January 20, 1998
The Kansas City Royals signed Terry Pendleton as a free agent.
The Toronto Blue Jays signed Phil Plantier as a free agent.
The Seattle Mariners signed Chris Seelbach as a free agent.
The Kansas City Royals signed Lee Smith as a free agent.
The Baltimore Orioles signed Jesús Tavárez as a free agent.
The Atlanta Braves traded Ray King to the Chicago Cubs for Jon Ratliff.
The New York Yankees selected Héctor Ramírez off waivers from the Baltimore Orioles.
- January 21, 1998
The San Francisco Giants signed Alex Diaz as a free agent.
The Cincinnati Reds signed Pete Harnisch as a free agent.
The New York Yankees signed Phil Hiatt as a free agent.
The Arizona Diamondbacks signed Tim Hyers as a free agent.
- January 22, 1998
The St. Louis Cardinals signed Bryan Eversgerd as a free agent.
The Oakland Athletics signed Rickey Henderson as a free agent.
The Kansas City Royals signed Pat Rapp as a free agent.
The San Francisco Giants signed Rey Sánchez as a free agent.
The St. Louis Cardinals signed Craig Shipley as a free agent.
The Anaheim Angels signed Gary Thurman as a free agent.
- January 23, 1998
The Atlanta Braves signed Tommy Greene as a free agent.
The Philadelphia Phillies signed Yorkis Pérez as a free agent.
- January 24, 1998
The Arizona Diamondbacks signed Jarrod Patterson as a free agent.
The New York Mets signed Efrain Valdez as a free agent.
- January 25, 1998
The Chicago White Sox signed Olmedo Sáenz as a free agent.
The Texas Rangers signed Ramón Nivar as an amateur free agent.
- January 26, 1998
The New York Yankees signed Doug Linton as a free agent.
The Anaheim Angels signed Damon Mashore as a free agent.
- January 27, 1998
The Chicago White Sox signed Howard Battle as a free agent.
The Chicago White Sox signed Jim Bullinger as a free agent.
The Colorado Rockies signed Mike Munoz as a free agent.
The Tampa Bay Devil Rays signed Matt Ruebel as a free agent.
The Tampa Bay Devil Rays signed Dave Silvestri as a free agent.
The Tampa Bay Devil Rays signed Jerome Walton as a free agent.
- January 28, 1998
The Boston Red Sox signed Keith Mitchell as a free agent.
- January 29, 1998
The Cleveland Indians signed Gerónimo Berroa as a free agent.
The Baltimore Orioles signed Ozzie Guillén as a free agent.
The Detroit Tigers signed Pete Incaviglia as a free agent.
The Boston Red Sox signed Carlos Valdez as a free agent.
The Seattle Mariners traded Scott Smith (minors) and Jalal Leach to the San Francisco Giants for Dave McCarty.
- January 30, 1998
The Anaheim Angels signed Pat Lennon as a free agent.
The Atlanta Braves signed Dennis Martínez as a free agent.
The Baltimore Orioles selected Héctor Ramírez off waivers from the New York Yankees.
- January 31, 1998
The Arizona Diamondbacks signed Gregg Olson as a free agent.
- February, 1998
The Kansas City Royals signed Chris Hatcher as a free agent.
- February 2, 1998
The Chicago Cubs signed Terry Mulholland as a free agent.
The Cincinnati Reds signed David West as a free agent.
- February 3, 1998
The Arizona Diamondbacks signed Andy Benes as a free agent.
The Montreal Expos signed Shawn Boskie as a free agent.
The New York Yankees signed Joey Eischen as a free agent.
The Montreal Expos signed Mike Mordecai as a free agent.
The Cincinnati Reds signed Deion Sanders as a free agent.
- February 4, 1998
The Baltimore Orioles sent Héctor Ramírez to the Florida Marlins as part of a conditional deal.
The Toronto Blue Jays signed José Canseco as a free agent.
- February 5, 1998
The Houston Astros signed Luis Rivera as a free agent.
The Cincinnati Reds traded Yuri Sanchez (minors) to the New York Mets for Roberto Petagine.
- February 6, 1998
The Baltimore Orioles signed Bobby Muñoz as a free agent.
The Atlanta Braves signed Curtis Pride as a free agent.
The Minnesota Twins traded Chuck Knoblauch to the New York Yankees for Brian Buchanan, Cristian Guzmán, Eric Milton, Danny Mota and cash.
The Florida Marlins traded Al Leiter and Ralph Milliard to the New York Mets for Rob Stratton (minors), A.J. Burnett and Jesús Sánchez.
- February 10, 1998
The Arizona Diamondbacks traded Mike Bell to the New York Mets for Joe Lisio (minors).
- February 12, 1998
The Cleveland Indians signed Mike Butcher as a free agent.
- February 13, 1998
The Texas Rangers signed Edwin Moreno as an amateur free agent.
- February 14, 1998
The Seattle Mariners signed Bill Swift as a free agent.
- February 15, 1998
The St. Louis Cardinals signed Steve Ontiveros as a free agent.
- February 16, 1998
The Cleveland Indians signed Shawon Dunston as a free agent.
- February 17, 1998
The New York Mets signed Nelson Cruz as an amateur free agent.
- February 18, 1998
The Colorado Rockies signed Jeff Sparks as a free agent.
- February 19, 1998
The Florida Marlins signed Donn Pall as a free agent.
- February 20, 1998
The Florida Marlins selected Kirt Ojala off waivers from the Arizona Diamondbacks.
- February 22, 1998
The Philadelphia Phillies signed Ezequiel Astacio as an amateur free agent.
- February 23, 1998
The Baltimore Orioles signed Marino Salas as an amateur free agent.
- February 24, 1998
The Philadelphia Phillies released Midre Cummings.
- February 26, 1998
The Cleveland Indians signed Chris Nichting as a free agent.
- February 27, 1998
The Cincinnati Reds signed Midre Cummings as a free agent.
The Anaheim Angels signed Jack McDowell as a free agent.
- March 1, 1998
The Cincinnati Reds signed Rich Sauveur as a free agent.
- March 2, 1998
The Philadelphia Phillies signed Miguel Asencio as an amateur free agent.
- March 3, 1998
The New York Yankees signed Bubba Carpenter as a free agent.
The Detroit Tigers released Robert Ellis.
- March 4, 1998
The Milwaukee Brewers signed Robert Ellis as a free agent.
The Florida Marlins signed John Wehner as a free agent.
- March 6, 1998
The Cincinnati Reds released Toby Borland.
The Texas Rangers released Tanyon Sturtze.
- March 7, 1998
The Philadelphia Phillies signed Toby Borland as a free agent.
The Arizona Diamondbacks traded Todd Erdos and Marty Janzen to the New York Yankees for Andy Fox.
- March 8, 1998
The Atlanta Braves signed Mike Porzio as a free agent.
- March 9, 1998
The Detroit Tigers signed Kevin Baez as a free agent.
The Detroit Tigers signed Erik Hiljus as a free agent.
The Kansas City Royals signed Scott Leius as a free agent.
The Oakland Athletics signed Kevin Mitchell as a free agent.
The Cleveland Indians released Chad Fonville.
The Cincinnati Reds released David West.
- March 10, 1998
The Milwaukee Brewers released Sean Maloney.
- March 11, 1998
The Texas Rangers signed Tanyon Sturtze as a free agent.
The New York Yankees released Joey Eischen.
The Anaheim Angels released Pat Lennon.
The Cleveland Indians traded Ben McDonald to the Milwaukee Brewers for Mark Watson.
- March 12, 1998
The Colorado Rockies signed Mike Coolbaugh as a free agent.
The Texas Rangers released Scott Klingenbeck.
- March 13, 1998
The Cincinnati Reds signed Scott Klingenbeck as a free agent.
- March 14, 1998
The Cincinnati Reds signed Joey Eischen as a free agent.
The New York Mets signed Chad Fonville as a free agent.
The New York Yankees released Doug Linton.
The Texas Rangers traded Kevin Brown to the Toronto Blue Jays for Tim Crabtree.
- March 15, 1998
The New York Yankees released Dave Fleming.
- March 16, 1998
The Colorado Rockies signed Alex Serrano as an amateur free agent.
- March 17, 1998
The Kansas City Royals purchased Ernie Young from the Oakland Athletics.
- March 19, 1998
The San Francisco Giants signed Frank Charles as a free agent.
The Boston Red Sox selected Midre Cummings off waivers from the Cincinnati Reds.
- March 20, 1998
The Toronto Blue Jays returned Luis Saturria (earlier draft pick) to the St. Louis Cardinals.
The Los Angeles Dodgers signed Sean Maloney as a free agent.
The San Francisco Giants signed Félix Díaz as an amateur free agent.
The Arizona Diamondbacks signed Jorge De La Rosa as an amateur free agent.
The Florida Marlins traded Rob Stratton (minors) to the New York Mets for a player to be named later and Brandon Villafuerte. The New York Mets sent César Crespo (September 12, 1998) to the Florida Marlins to complete the trade.
The Cincinnati Reds traded Tim Belk to the Detroit Tigers for Kevin Baez.
- March 21, 1998
The Cincinnati Reds signed Antonio Pérez as an amateur free agent.
The Cincinnati Reds traded Eric Owens to the Florida Marlins for a player to be named later. The Florida Marlins sent Jesus Martinez (minors) (March 26, 1998) to the Cincinnati Reds to complete the trade.
- March 22, 1998
The Philadelphia Phillies released Richie Lewis.
- March 23, 1998
The Chicago White Sox signed Wil Cordero as a free agent.
The New York Yankees signed Orlando Hernández as an amateur free agent.
The Kansas City Royals released Chris Hammond.
The Anaheim Angels released Darrell May.
The Texas Rangers released Matt Whiteside.
- March 24, 1998
The Toronto Blue Jays released Jacob Brumfield.
The Seattle Mariners released Roy Smith.
The Cleveland Indians selected Rick Krivda off waivers from the Baltimore Orioles.
The Cincinnati Reds selected Tony Tarasco off waivers from the Baltimore Orioles.
- March 25, 1998
The Toronto Blue Jays signed Pat Lennon as a free agent.
The Detroit Tigers purchased Doug Bochtler from the Oakland Athletics.
The Milwaukee Brewers purchased Eric Owens from the Florida Marlins.
The Cleveland Indians released Carlos García.
The Arizona Diamondbacks released Greg Hansell.
The Detroit Tigers released Marcus Jensen.
- March 26, 1998
The Boston Red Sox signed Mark Lemke as a free agent.
Chad Fonville of the New York Mets granted free agency.
The Seattle Mariners released Pat Listach.
The Chicago White Sox traded Jim Bullinger to the Seattle Mariners for Marty Weymouth (minors).
The Seattle Mariners selected José Paniagua off waivers from the Tampa Bay Devil Rays.
The Kansas City Royals selected Danny Rios off waivers from the New York Yankees.
- March 27, 1998
The Florida Marlins signed Chris Hammond as a free agent.
The Philadelphia Phillies signed Matt Whiteside as a free agent.
The Seattle Mariners selected Ryan Radmanovich off waivers from the Minnesota Twins.
- March 28, 1998
The New York Mets traded Juan Acevedo to the St. Louis Cardinals for Rigo Beltrán.
- March 29, 1998
The Philadelphia Phillies sent Chris Tremie to the Texas Rangers as part of a conditional deal.
The Los Angeles Dodgers released Billy Ashley.
The Texas Rangers released Matt Miller.
- March 30, 1998
The Boston Red Sox signed Billy Ashley as a free agent.
The Anaheim Angels signed Carlos García as a free agent.
The St. Louis Cardinals signed Brian Hunter as a free agent.
The Montreal Expos signed Scott Livingstone as a free agent.
The Montreal Expos signed Mike Maddux as a free agent.
The Montreal Expos signed Derrick May as a free agent.
The Boston Red Sox signed Jin Ho Cho as an amateur free agent.
The Cleveland Indians released Mike Butcher.
The Atlanta Braves released Brad Clontz.
The Cleveland Indians released Steve Montgomery.
The Cincinnati Reds traded Dave Burba to the Cleveland Indians for Sean Casey.
The Anaheim Angels traded Chip Hale to the St. Louis Cardinals for Craig Shipley.
The Baltimore Orioles traded Keith Johns to the Boston Red Sox for Bo Dodson (minors).
The Montreal Expos selected Mike Hubbard off waivers from the Chicago Cubs.
The Seattle Mariners selected Robert Pérez off waivers from the Toronto Blue Jays.
- March 31, 1998
The Oakland Athletics signed Greg Hansell as a free agent.
The Houston Astros signed Kevin Hodges as a free agent.
- April 1, 1998
The Anaheim Angels signed Steve Sparks as a free agent.
The Toronto Blue Jays signed Dave Stieb as a free agent.
The Cleveland Indians signed Maicer Izturis as an amateur free agent.
The Minnesota Twins released Peter Moylan.
The Anaheim Angels released Tony Phillips.
The Montreal Expos released Carl Sadler.
- April 2, 1998
The St. Louis Cardinals released Mike Gulan.
The Tampa Bay Devil Rays selected Eddie Gaillard off waivers from the Detroit Tigers.
- April 3, 1998
The Cleveland Indians signed Carl Sadler as a free agent.
The Boston Red Sox signed Wil Ledezma as an amateur free agent.
The St. Louis Cardinals released Steve Schrenk.
The Minnesota Twins selected Héctor Carrasco off waivers from the Arizona Diamondbacks.
- April 4, 1998
The Baltimore Orioles signed Steve Montgomery as a free agent.
The Colorado Rockies released Jeff Sparks.
- April 5, 1998
The Milwaukee Brewers signed Marcus Jensen as a free agent.
- April 6, 1998
The Houston Astros signed David West as a free agent.
The San Francisco Giants released Jalal Leach.
- April 7, 1998
The Seattle Mariners signed Aaron Holbert as a free agent.
- April 8, 1998
The Cincinnati Reds traded Buddy Carlyle to the San Diego Padres for Marc Kroon.
The Kansas City Royals traded Mike Macfarlane to the Oakland Athletics for a player to be named later and Shane Mack. The Oakland Athletics sent Greg Hansell (May 9, 1998) to the Kansas City Royals to complete the trade.
- April 9, 1998
The Los Angeles Dodgers signed Brad Clontz as a free agent.
The Cleveland Indians signed Pat Listach as a free agent.
- April 14, 1998
The Cleveland Indians selected David Bell off waivers from the St. Louis Cardinals.
- April 15, 1998
The Florida Marlins signed Jacob Brumfield as a free agent.
The Texas Rangers released Jim Brower.
- April 17, 1998
The Anaheim Angels signed Mike Butcher as a free agent.
The Anaheim Angels released Jerrod Riggan.
- April 18, 1998
The Cincinnati Reds sent Chad Mottola to the Texas Rangers as part of a conditional deal.
The Cleveland Indians signed Jim Brower as a free agent.
- April 20, 1998
The Minnesota Twins released Chris Turner.
The Kansas City Royals signed Chris Turner as a free agent.
- April 22, 1998
The Arizona Diamondbacks released Tim Hyers.
- April 23, 1998
The Baltimore Orioles signed Richie Lewis as a free agent.
The San Diego Padres signed Roberto Ramírez as a free agent.
The New York Yankees released Phil Hiatt.
The Detroit Tigers released Pete Incaviglia.
The St. Louis Cardinals released Steve Ontiveros.
- April 24, 1998
The Detroit Tigers selected Jeff Manto off waivers from the Cleveland Indians.
- April 25, 1998
The Milwaukee Brewers released Jamie Brewington.
- April 27, 1998
The Arizona Diamondbacks traded Chris Jones to the San Francisco Giants for Ricky Pickett.
The Tampa Bay Devil Rays selected Julio Santana off waivers from the Texas Rangers.
- April 28, 1998
The Cleveland Indians signed Phil Hiatt as a free agent.
- April 30, 1998
The Arizona Diamondbacks signed Tim Hyers as a free agent.
- May, 1998
The Cleveland Indians released Pat Listach.
- May 1, 1998
The Baltimore Orioles signed Steve Ontiveros as a free agent.
The Baltimore Orioles released Ozzie Guillén.
- May 4, 1998
The Houston Astros signed Joe Slusarski as a free agent.
- May 5, 1998
The Chicago Cubs traded Ben Van Ryn to the San Diego Padres for Don Wengert.
- May 6, 1998
The Atlanta Braves signed Ozzie Guillén as a free agent.
The Cleveland Indians signed Mark Whiten as a free agent.
The San Diego Padres released Archie Corbin.
The Los Angeles Dodgers released Mike Devereaux.
The Detroit Tigers traded Scott Sanders to the San Diego Padres for a player to be named later. The San Diego Padres sent Rod Lindsey (June 1, 1998) to the Detroit Tigers to complete the trade.
- May 8, 1998
The Pittsburgh Pirates released Steve Decker.
The New York Mets traded Lindsay Gulin (minors) to the Seattle Mariners for Rick Wilkins.
The Montreal Expos traded Raúl Chávez to the Seattle Mariners for Robert Pérez.
- May 10, 1998
The New York Mets signed Steve Decker as a free agent.
- May 11, 1998
The Florida Marlins signed Archie Corbin as a free agent.
The San Francisco Giants signed Jalal Leach as a free agent.
The New York Yankees signed Michel Hernández as an amateur free agent.
- May 12, 1998
The Houston Astros signed Pete Incaviglia as a free agent.
The Montreal Expos released Rod Henderson.
The Cincinnati Reds released Rich Sauveur.
The Milwaukee Brewers signed Rod Henderson as a free agent.
The Pittsburgh Pirates signed Rich Sauveur as a free agent.
- May 13, 1998
The Atlanta Braves released Ray Holbert.
- May 14, 1998
The Colorado Rockies signed Eduardo Villacis as an amateur free agent.
The Florida Marlins traded Manuel Barrios, Bobby Bonilla, Jim Eisenreich, Charles Johnson and Gary Sheffield to the Los Angeles Dodgers for Mike Piazza and Todd Zeile.
- May 15, 1998
The Los Angeles Dodgers returned Frank Lankford (earlier draft pick) to the New York Yankees.
The Arizona Diamondbacks selected Amaury Telemaco off waivers from the Chicago Cubs.
- May 18, 1998
The Montreal Expos signed Ray Holbert as a free agent.
- May 19, 1998
The Tampa Bay Devil Rays signed Lee Gardner as an amateur free agent.
The Arizona Diamondbacks released Tim Hyers.
- May 21, 1998
The Florida Marlins signed Mike Gulan as a free agent.
The Toronto Blue Jays signed Scott Cassidy as an amateur free agent.
- May 22, 1998
The Florida Marlins signed Tim Hyers as a free agent.
The Boston Red Sox signed Steve Schrenk as a free agent.
The Minnesota Twins released Ricky Bones.
The Florida Marlins traded Mike Piazza to the New York Mets for Geoff Goetz (minors), Preston Wilson and Ed Yarnall.
- May 25, 1998
The Arizona Diamondbacks released Ricky Pickett.
The Texas Rangers signed Ricky Pickett as a free agent.
- May 26, 1998
The Kansas City Royals signed Ricky Bones as a free agent.
The Minnesota Twins signed Doug Linton as a free agent.
The Arizona Diamondbacks purchased Efrain Valdez from the New York Mets.
The Tampa Bay Devil Rays released Jerome Walton.
- May 27, 1998
The Chicago White Sox signed Jim Abbott as a free agent.
- May 29, 1998
The Chicago White Sox released Rubén Sierra.
The Toronto Blue Jays selected Ben Van Ryn off waivers from the San Diego Padres.
- June 1, 1998
The Arizona Diamondbacks selected Bobby Chouinard off waivers from the Milwaukee Brewers.
- June 2, 1998
Chris Hammond of the Florida Marlins granted free agency.
The Philadelphia Phillies drafted Pat Burrell in the 1st round (1st pick) of the 1998 amateur draft. Player signed July 24, 1998.
The Oakland Athletics drafted Mark Mulder in the 1st round (2nd pick) of the 1998 amateur draft. Player signed October 9, 1998.
The Chicago Cubs drafted Corey Patterson in the 1st round (3rd pick) of the 1998 amateur draft. Player signed September 18, 1998.
The Kansas City Royals drafted Jeff Austin in the 1st round (4th pick) of the 1998 amateur draft. Player signed February 20, 1999.
The St. Louis Cardinals drafted J.D. Drew in the 1st round (5th pick) of the 1998 amateur draft. Player signed July 3, 1998.
The Cincinnati Reds drafted Austin Kearns in the 1st round (7th pick) of the 1998 amateur draft. Player signed July 30, 1998.
The Toronto Blue Jays drafted Felipe López in the 1st round (8th pick) of the 1998 amateur draft. Player signed August 11, 1998.
The San Diego Padres drafted Sean Burroughs in the 1st round (9th pick) of the 1998 amateur draft. Player signed September 2, 1998.
The Texas Rangers drafted Carlos Peña in the 1st round (10th pick) of the 1998 amateur draft. Player signed July 24, 1998.
The Boston Red Sox drafted Adam Everett in the 1st round (12th pick) of the 1998 amateur draft. Player signed August 4, 1998.
The Detroit Tigers drafted Jeff Weaver in the 1st round (14th pick) of the 1998 amateur draft. Player signed August 1, 1998.
The Chicago White Sox drafted Kip Wells in the 1st round (16th pick) of the 1998 amateur draft. Player signed December 23, 1998.
The Houston Astros drafted Brad Lidge in the 1st round (17th pick) of the 1998 amateur draft. Player signed July 2, 1998.
The Anaheim Angels drafted Seth Etherton in the 1st round (18th pick) of the 1998 amateur draft. Player signed July 2, 1998.
The San Francisco Giants drafted Tony Torcato in the 1st round (19th pick) of the 1998 amateur draft. Player signed June 3, 1998.
The Cleveland Indians drafted CC Sabathia in the 1st round (20th pick) of the 1998 amateur draft. Player signed June 29, 1998.
The New York Mets drafted Jason Tyner in the 1st round (21st pick) of the 1998 amateur draft. Player signed July 8, 1998.
The Seattle Mariners drafted Matt Thornton in the 1st round (22nd pick) of the 1998 amateur draft. Player signed July 3, 1998.
The Los Angeles Dodgers drafted Bubba Crosby in the 1st round (23rd pick) of the 1998 amateur draft. Player signed June 19, 1998.
The San Francisco Giants drafted Nate Bump in the 1st round (25th pick) of the 1998 amateur draft. Player signed June 17, 1998.
The Florida Marlins drafted Chip Ambres in the 1st round (27th pick) of the 1998 amateur draft. Player signed August 3, 1998.
The Colorado Rockies drafted Matt Roney in the 1st round (28th pick) of the 1998 amateur draft. Player signed July 8, 1998.
The Kansas City Royals drafted Chris George in the 1st round (31st pick) of the 1998 amateur draft. Player signed July 9, 1998.
The St. Louis Cardinals drafted Ben Diggins in the 1st round (32nd pick) of the 1998 amateur draft, but was not signed.
The Montreal Expos drafted Brad Wilkerson in the 1st round (33rd pick) of the 1998 amateur draft. Player signed August 29, 1998.
The Detroit Tigers drafted Nate Cornejo in the 1st round (34th pick) of the 1998 amateur draft. Player signed August 6, 1998.
The Chicago White Sox drafted Aaron Rowand in the 1st round (35th pick) of the 1998 amateur draft. Player signed June 12, 1998.
The Colorado Rockies drafted Choo Freeman in the 1st round (36th pick) of the 1998 amateur draft. Player signed July 13, 1998.
The Philadelphia Phillies drafted Eric Valent in the 1st round (42nd pick) of the 1998 amateur draft. Player signed July 1, 1998.
The New York Yankees drafted Mark Prior in the 1st round (43rd pick) of the 1998 amateur draft, but was not signed.
The Atlanta Braves drafted Matt Belisle in the 2nd round of the 1998 amateur draft. Player signed August 23, 1998.
The Cincinnati Reds drafted Adam Dunn in the 2nd round of the 1998 amateur draft. Player signed June 11, 1998.
The Colorado Rockies drafted Jody Gerut in the 2nd round of the 1998 amateur draft. Player signed August 8, 1998.
The St. Louis Cardinals drafted Chad Hutchinson in the 2nd round of the 1998 amateur draft. Player signed June 30, 1998.
The Detroit Tigers drafted Brandon Inge in the 2nd round of the 1998 amateur draft. Player signed June 27, 1998.
The New York Yankees drafted Randy Keisler in the 2nd round of the 1998 amateur draft. Player signed July 21, 1998.
The Chicago Cubs drafted David Kelton in the 2nd round of the 1998 amateur draft. Player signed June 3, 1998.
The Oakland Athletics drafted Gerald Laird in the 2nd round of the 1998 amateur draft. Player signed June 1, 1999.
The San Francisco Giants drafted Chris Magruder in the 2nd round of the 1998 amateur draft. Player signed June 19, 1998.
The Chicago White Sox drafted Gary Majewski in the 2nd round of the 1998 amateur draft. Player signed September 2, 1998.
The Milwaukee Brewers drafted Nick Neugebauer in the 2nd round of the 1998 amateur draft. Player signed August 27, 1998.
The Detroit Tigers drafted Adam Pettyjohn in the 2nd round of the 1998 amateur draft. Player signed June 22, 1998.
The Cleveland Indians drafted Zach Sorensen in the 2nd round of the 1998 amateur draft. Player signed July 1, 1998.
The New York Mets drafted Pat Strange in the 2nd round of the 1998 amateur draft. Player signed July 29, 1998.
The Colorado Rockies drafted Jermaine Van Buren in the 2nd round of the 1998 amateur draft. Player signed June 15, 1998.
The Baltimore Orioles drafted Steve Bechler in the 3rd round of the 1998 amateur draft. Player signed June 5, 1998.
The Chicago White Sox drafted Josh Fogg in the 3rd round of the 1998 amateur draft. Player signed July 3, 1998.
The New York Yankees drafted Drew Henson in the 3rd round of the 1998 amateur draft. Player signed July 24, 1998.
The Atlanta Braves drafted Ryan Langerhans in the 3rd round of the 1998 amateur draft. Player signed June 28, 1998.
The Boston Red Sox drafted Mike Maroth in the 3rd round of the 1998 amateur draft. Player signed July 5, 1998.
The Philadelphia Phillies drafted Jorge Padilla in the 3rd round of the 1998 amateur draft. Player signed July 19, 1998.
The Seattle Mariners drafted Andy Van Hekken in the 3rd round of the 1998 amateur draft. Player signed June 26, 1998.
The Texas Rangers drafted Barry Zito in the 3rd round of the 1998 amateur draft, but was not signed.
The Colorado Rockies drafted Luke Hudson in the 4th round of the 1998 amateur draft. Player signed June 5, 1998.
The Arizona Diamondbacks drafted Javier López in the 4th round of the 1998 amateur draft. Player signed June 6, 1998.
The Philadelphia Phillies drafted Jason Michaels in the 4th round of the 1998 amateur draft. Player signed June 19, 1998.
The St. Louis Cardinals drafted Bud Smith in the 4th round of the 1998 amateur draft. Player signed June 3, 1998.
The Detroit Tigers drafted Andrés Torres in the 4th round of the 1998 amateur draft. Player signed June 23, 1998.
The New York Mets drafted Craig Brazell in the 5th round of the 1998 amateur draft. Player signed June 4, 1998.
The Kansas City Royals drafted Scott Chiasson in the 5th round of the 1998 amateur draft. Player signed June 2, 1998.
The Arizona Diamondbacks drafted JD Closser in the 5th round of the 1998 amateur draft. Player signed June 28, 1998.
The Cleveland Indians drafted Ryan Drese in the 5th round of the 1998 amateur draft. Player signed June 25, 1998.
The Boston Red Sox drafted Josh Hancock in the 5th round of the 1998 amateur draft. Player signed June 15, 1998.
The Oakland Athletics drafted Jason Hart in the 5th round of the 1998 amateur draft. Player signed June 5, 1998.
The Tampa Bay Devil Rays drafted Aubrey Huff in the 5th round of the 1998 amateur draft. Player signed June 17, 1998.
The Los Angeles Dodgers drafted Scott Proctor in the 5th round of the 1998 amateur draft. Player signed June 6, 1998.
The St. Louis Cardinals drafted Steve Stemle in the 5th round of the 1998 amateur draft. Player signed June 27, 1998.
The San Francisco Giants drafted Ryan Vogelsong in the 5th round of the 1998 amateur draft. Player signed June 7, 1998.
The Milwaukee Brewers drafted Bill Hall in the 6th round of the 1998 amateur draft. Player signed June 7, 1998.
The New York Yankees drafted Brett Jodie in the 6th round of the 1998 amateur draft. Player signed June 8, 1998.
The Cincinnati Reds drafted Bobby Madritsch in the 6th round of the 1998 amateur draft. Player signed June 10, 1998.
The Houston Astros drafted Dave Matranga in the 6th round of the 1998 amateur draft. Player signed June 12, 1998.
The Baltimore Orioles drafted Tim Raines Jr. in the 6th round of the 1998 amateur draft. Player signed June 15, 1998.
The Tampa Bay Devil Rays drafted Ryan Rupe in the 6th round of the 1998 amateur draft. Player signed June 7, 1998.
The Houston Astros drafted John Buck in the 7th round of the 1998 amateur draft. Player signed June 11, 1998.
The San Francisco Giants drafted Doug Clark in the 7th round of the 1998 amateur draft. Player signed June 5, 1998.
The Cincinnati Reds drafted Josh Hall in the 7th round of the 1998 amateur draft. Player signed June 11, 1998.
The Colorado Rockies drafted Matt Holliday in the 7th round of the 1998 amateur draft. Player signed July 24, 1998.
The Los Angeles Dodgers drafted David Ross in the 7th round of the 1998 amateur draft. Player signed June 9, 1998.
The Atlanta Braves drafted Scott Sobkowiak in the 7th round of the 1998 amateur draft. Player signed June 6, 1998.
The Oakland Athletics drafted Eric Byrnes in the 8th round of the 1998 amateur draft. Player signed June 12, 1998.
The Arizona Diamondbacks drafted Andrew Good in the 8th round of the 1998 amateur draft. Player signed June 29, 1998.
The Kansas City Royals drafted Norris Hopper in the 8th round of the 1998 amateur draft. Player signed June 2, 1998.
The Tampa Bay Devil Rays drafted Joe Kennedy in the 8th round of the 1998 amateur draft. Player signed June 2, 1998.
The Chicago Cubs drafted Will Ohman in the 8th round of the 1998 amateur draft. Player signed June 23, 1998.
The Oakland Athletics drafted Jon Adkins in the 9th round of the 1998 amateur draft. Player signed June 27, 1998.
The Houston Astros drafted Morgan Ensberg in the 9th round of the 1998 amateur draft. Player signed June 18, 1998.
The Philadelphia Phillies drafted Ryan Madson in the 9th round of the 1998 amateur draft. Player signed June 10, 1998.
The Kansas City Royals drafted Paul Phillips in the 9th round of the 1998 amateur draft. Player signed June 6, 1998.
The Texas Rangers drafted Andy Pratt in the 9th round of the 1998 amateur draft. Player signed June 8, 1998.
The San Francisco Giants drafted Cody Ransom in the 9th round of the 1998 amateur draft. Player signed June 4, 1998.
The Minnesota Twins drafted Saúl Rivera in the 9th round of the 1998 amateur draft. Player signed June 11, 1998.
The St. Louis Cardinals drafted Jack Wilson in the 9th round of the 1998 amateur draft. Player signed June 3, 1998.
The Boston Red Sox drafted Mark Teixeira in the 9th round of the 1998 amateur draft, but was not signed.
The Houston Astros drafted Keith Ginter in the 10th round of the 1998 amateur draft. Player signed June 7, 1998.
The Boston Red Sox drafted Lenny DiNardo in the 10th round of the 1998 amateur draft, but was not signed.
The Anaheim Angels drafted Justin Lehr in the 10th round of the 1998 amateur draft, but was not signed.
The San Francisco Giants drafted Erasmo Ramirez in the 11th round of the 1998 amateur draft. Player signed June 4, 1998.
The Cincinnati Reds drafted John Koronka in the 12th round of the 1998 amateur draft. Player signed June 7, 1998.
The New York Mets drafted Ryan Budde in the 12th round of the 1998 amateur draft, but was not signed.
The Colorado Rockies drafted Juan Pierre in the 13th round of the 1998 amateur draft. Player signed June 4, 1998.
The Kansas City Royals drafted Brian Shackelford in the 13th round of the 1998 amateur draft. Player signed June 4, 1998.
The St. Louis Cardinals drafted Les Walrond in the 13th round of the 1998 amateur draft. Player signed June 30, 1998.
The Oakland Athletics drafted Jeff Bajenaru in the 13th round of the 1998 amateur draft, but was not signed.
The Philadelphia Phillies drafted Adam Peterson in the 13th round of the 1998 amateur draft, but was not signed.
The Boston Red Sox drafted Mike Rabelo in the 13th round of the 1998 amateur draft, but was not signed.
The Atlanta Braves drafted Steve Smyth in the 13th round of the 1998 amateur draft, but was not signed.
The Atlanta Braves drafted John Ennis in the 14th round of the 1998 amateur draft. Player signed June 18, 1998.
The Toronto Blue Jays drafted Jay Gibbons in the 14th round of the 1998 amateur draft. Player signed June 4, 1998.
The Kansas City Royals drafted Shawn Sedlacek in the 14th round of the 1998 amateur draft. Player signed June 2, 1998.
The New York Mets drafted Gil Velazquez in the 14th round of the 1998 amateur draft. Player signed June 23, 1998.
The Minnesota Twins drafted Mike Gosling in the 14th round of the 1998 amateur draft, but was not signed.
The Colorado Rockies drafted Mark DiFelice in the 15th round of the 1998 amateur draft. Player signed June 6, 1998.
The Philadelphia Phillies drafted Geoff Geary in the 15th round of the 1998 amateur draft. Player signed June 8, 1998.
The Cleveland Indians drafted Matt White in the 15th round of the 1998 amateur draft. Player signed June 15, 1998.
The Chicago White Sox drafted Nate Robertson in the 15th round of the 1998 amateur draft, but was not signed.
The San Diego Padres drafted Steve Watkins in the 16th round of the 1998 amateur draft. Player signed July 28, 1998.
The Chicago Cubs drafted Eric Hinske in the 17th round of the 1998 amateur draft. Player signed June 17, 1998.
The San Diego Padres drafted Brian Lawrence in the 17th round of the 1998 amateur draft. Player signed June 8, 1998.
The Houston Astros drafted Colin Porter in the 17th round of the 1998 amateur draft. Player signed June 4, 1998.
The Cincinnati Reds drafted B.J. Ryan in the 17th round of the 1998 amateur draft. Player signed June 9, 1998.
The New York Mets drafted Ty Wigginton in the 17th round of the 1998 amateur draft. Player signed June 3, 1998.
The Pittsburgh Pirates drafted David Williams in the 17th round of the 1998 amateur draft. Player signed June 3, 1998.
The Baltimore Orioles drafted Mike MacDougal in the 17th round of the 1998 amateur draft, but was not signed.
The Minnesota Twins drafted J.J. Putz in the 17th round of the 1998 amateur draft, but was not signed.
The Tampa Bay Devil Rays drafted Brandon Backe in the 18th round of the 1998 amateur draft. Player signed June 5, 1998.
The Pittsburgh Pirates drafted Joe Beimel in the 18th round of the 1998 amateur draft. Player signed June 5, 1998.
The Arizona Diamondbacks drafted Bret Prinz in the 18th round of the 1998 amateur draft. Player signed June 3, 1998.
The Montreal Expos drafted Jimmy Serrano in the 18th round of the 1998 amateur draft. Player signed June 10, 1998.
The St. Louis Cardinals drafted Esix Snead in the 18th round of the 1998 amateur draft. Player signed June 24, 1998.
The Florida Marlins drafted Adam LaRoche in the 18th round of the 1998 amateur draft, but was not signed.
The Minnesota Twins drafted Kevin Thompson in the 18th round of the 1998 amateur draft, but was not signed.
The Pittsburgh Pirates drafted Jeff Bennett in the 19th round of the 1998 amateur draft. Player signed June 4, 1998.
The San Diego Padres drafted Jeremy Fikac in the 19th round of the 1998 amateur draft. Player signed June 5, 1998.
The Toronto Blue Jays drafted Bob File in the 19th round of the 1998 amateur draft. Player signed June 11, 1998.
The Pittsburgh Pirates drafted Mike Johnston in the 20th round of the 1998 amateur draft. Player signed June 4, 1998.
The Baltimore Orioles drafted Cliff Lee in the 20th round of the 1998 amateur draft, but was not signed.
The Toronto Blue Jays drafted Frank Gracesqui in the 21st round of the 1998 amateur draft. Player signed June 7, 1998.
The Philadelphia Phillies drafted Nick Punto in the 21st round of the 1998 amateur draft. Player signed June 7, 1998.
The New York Mets drafted Jaime Cerda in the 23rd round of the 1998 amateur draft. Player signed May 25, 1999.
The Arizona Diamondbacks drafted Robby Hammock in the 23rd round of the 1998 amateur draft. Player signed June 3, 1998.
The Oakland Athletics drafted Tyler Yates in the 23rd round of the 1998 amateur draft. Player signed June 10, 1998.
The Anaheim Angels drafted Ryan Braun in the 23rd round of the 1998 amateur draft, but was not signed.
The Minnesota Twins drafted Juan Padilla in the 24th round of the 1998 amateur draft. Player signed July 8, 1998.
The Tampa Bay Devil Rays drafted Ryan Jorgensen in the 24th round of the 1998 amateur draft, but was not signed.
The Boston Red Sox drafted John Hattig in the 25th round of the 1998 amateur draft. Player signed August 24, 1998.
The Chicago White Sox drafted Edwin Almonte in the 26th round of the 1998 amateur draft. Player signed June 6, 1998.
The Florida Marlins drafted Kevin Olsen in the 26th round of the 1998 amateur draft. Player signed June 6, 1998.
The Boston Red Sox drafted Ben Kozlowski in the 26th round of the 1998 amateur draft, but was not signed.
The Pittsburgh Pirates drafted Jon Switzer in the 26th round of the 1998 amateur draft, but was not signed.
The Pittsburgh Pirates drafted Steve Sparks in the 28th round of the 1998 amateur draft. Player signed June 3, 1998.
The San Diego Padres drafted Cliff Bartosh in the 29th round of the 1998 amateur draft. Player signed July 3, 1998.
The Arizona Diamondbacks drafted Mike Koplove in the 29th round of the 1998 amateur draft. Player signed June 9, 1998.
The Atlanta Braves drafted Tim Spooneybarger in the 29th round of the 1998 amateur draft. Player signed May 19, 1999.
The Baltimore Orioles drafted Doug Slaten in the 29th round of the 1998 amateur draft, but was not signed.
The San Diego Padres drafted Éric Cyr in the 30th round of the 1998 amateur draft. Player signed May 31, 1999.
The Texas Rangers drafted Jaime Bubela in the 30th round of the 1998 amateur draft, but was not signed.
The Arizona Diamondbacks drafted Charlie Manning in the 30th round of the 1998 amateur draft, but was not signed.
The Seattle Mariners drafted John Rheinecker in the 30th round of the 1998 amateur draft, but was not signed.
The Cincinnati Reds drafted Brad Salmon in the 31st round of the 1998 amateur draft, but was not signed.
The Atlanta Braves drafted Nick Green in the 32nd round of the 1998 amateur draft. Player signed May 18, 1999.
The New York Yankees drafted Brandon Claussen in the 34th round of the 1998 amateur draft. Player signed May 20, 1999.
The Minnesota Twins drafted Kevin Frederick in the 34th round of the 1998 amateur draft. Player signed June 3, 1998.
The Anaheim Angels drafted Bobby Crosby in the 34th round of the 1998 amateur draft, but was not signed.
The New York Mets drafted Earl Snyder in the 36th round of the 1998 amateur draft. Player signed June 5, 1998.
The New York Yankees drafted Eric Eckenstahler in the 36th round of the 1998 amateur draft, but was not signed.
The Tampa Bay Devil Rays drafted Tim Olson in the 36th round of the 1998 amateur draft, but was not signed.
The Chicago White Sox drafted Mark Buehrle in the 38th round of the 1998 amateur draft. Player signed May 21, 1999.
The Boston Red Sox drafted Dennis Tankersley in the 38th round of the 1998 amateur draft. Player signed May 18, 1999.
The Minnesota Twins drafted Tommy Watkins in the 38th round of the 1998 amateur draft. Player signed June 7, 1998.
The San Diego Padres drafted Trey Hodges in the 38th round of the 1998 amateur draft, but was not signed.
The Cincinnati Reds drafted Lance Cormier in the 40th round of the 1998 amateur draft, but was not signed.
The New York Yankees drafted Nook Logan in the 40th round of the 1998 amateur draft, but was not signed.
The Cincinnati Reds drafted Todd Coffey in the 41st round of the 1998 amateur draft. Player signed June 6, 1998.
The St. Louis Cardinals drafted Justin Knoedler in the 41st round of the 1998 amateur draft, but was not signed.
The San Diego Padres drafted Alex Pelaez in the 42nd round of the 1998 amateur draft. Player signed June 5, 1998.
The Chicago White Sox drafted Kevin Cameron in the 42nd round of the 1998 amateur draft, but was not signed.
The Colorado Rockies drafted Nyjer Morgan in the 42nd round of the 1998 amateur draft, but was not signed.
The Oakland Athletics drafted Mike Cervenak in the 43rd round of the 1998 amateur draft, but was not signed.
The Colorado Rockies drafted Alfredo Amézaga in the 44th round of the 1998 amateur draft, but was not signed.
The Atlanta Braves drafted Dallas McPherson in the 44th round of the 1998 amateur draft, but was not signed.
The Atlanta Braves drafted Brad Voyles in the 45th round of the 1998 amateur draft. Player signed June 7, 1998.
The Cincinnati Reds drafted Terrmel Sledge in the 45th round of the 1998 amateur draft, but was not signed.
The Los Angeles Dodgers drafted Steve Andrade in the 46th round of the 1998 amateur draft, but was not signed.
The Seattle Mariners drafted Scott Atchison in the 49th round of the 1998 amateur draft. Player signed May 25, 1999.
- June 3, 1998
The Kansas City Royals purchased Luis Rivera from the Houston Astros.
The Arizona Diamondbacks traded Joe Lisio (minors) and Scott Brow to the New York Yankees for Willie Banks.
- June 4, 1998
The Oakland Athletics released Joel Peralta.
The Texas Rangers released Ramón Ramírez.
The Los Angeles Dodgers traded Brad Clontz and Hideo Nomo to the New York Mets for Greg McMichael and Dave Mlicki.
The Florida Marlins selected Brian Edmondson off waivers from the Atlanta Braves.
- June 5, 1998
The Cincinnati Reds signed Corky Miller as an amateur free agent.
- June 7, 1998
The Chicago White Sox released Howard Battle.
- June 8, 1998
The Cleveland Indians selected Matt Luke off waivers from the Los Angeles Dodgers.
- June 9, 1998
The Atlanta Braves signed Howard Battle as a free agent.
The San Diego Padres signed Mike Devereaux as a free agent.
The Baltimore Orioles traded Eric Estes (minors) to the San Diego Padres for Pete Smith.
The Colorado Rockies traded a player to be named later and cash to the Oakland Athletics for Kurt Abbott. The Colorado Rockies sent Ara Petrosian (minors) (June 18, 1998) to the Oakland Athletics to complete the trade.
- June 10, 1998
The Seattle Mariners released Tony Fossas.
The New York Mets traded Shawn Gilbert to the St. Louis Cardinals for Wayne Kirby.
- June 11, 1998
The Montreal Expos signed Nate Field as an amateur free agent.
- June 12, 1998
The Detroit Tigers released Jeff Manto.
- June 13, 1998
The Seattle Mariners released Ken Huckaby.
- June 14, 1998
The Baltimore Orioles released D.J. Carrasco.
- June 16, 1998
The Cleveland Indians signed Jeff Manto as a free agent.
The New York Mets signed Heath Bell as an amateur free agent.
The Florida Marlins signed Jason Pearson as an amateur free agent.
The Toronto Blue Jays released Erik Hanson.
The Cincinnati Reds traded Christian Rojas (minors) and Eddie Priest to the Cleveland Indians for Rick Krivda.
The Baltimore Orioles selected Rich Becker off waivers from the New York Mets.
- June 18, 1998
The Cleveland Indians signed D.J. Carrasco as a free agent.
The Boston Red Sox traded Mike Blais (minors) to the Houston Astros for David West.
- June 19, 1998
The Chicago Cubs signed Tony Fossas as a free agent.
The Los Angeles Dodgers purchased Matt Luke from the Cleveland Indians.
- June 20, 1998
The Philadelphia Phillies signed Franklin Núñez as a free agent.
The New York Mets signed Rubén Sierra as a free agent.
The Boston Red Sox traded Ethan Faggett (minors) and Jim Leyritz to the San Diego Padres for Carlos Reyes, Mandy Romero and Darío Veras.
- June 21, 1998
The Chicago White Sox released Tony Castillo.
- June 22, 1998
The Colorado Rockies signed Chad Fonville as a free agent.
The Philadelphia Phillies signed Pat Listach as a free agent.
- June 23, 1998
The Texas Rangers sent Bobby Witt to the St. Louis Cardinals as part of a conditional deal.
The Detroit Tigers traded Bip Roberts to the Oakland Athletics for a player to be named later. The Oakland Athletics sent Jason Wood (July 18, 1998) to the Detroit Tigers to complete the trade.
The Arizona Diamondbacks traded Russ Springer to the Atlanta Braves for Alan Embree.
- June 24, 1998
The Philadelphia Phillies released Rex Hudler.
The Cleveland Indians traded Gerónimo Berroa to the Detroit Tigers for Dave Roberts and Tim Worrell.
The Milwaukee Brewers selected David Weathers off waivers from the Cincinnati Reds.
- June 25, 1998
The Anaheim Angels signed Erik Hanson as a free agent.
The Arizona Diamondbacks signed Luis Pineda as a free agent.
The Boston Red Sox released Brian Shouse.
The Colorado Rockies selected Fred Rath off waivers from the Minnesota Twins.
- June 26, 1998
Tim Laker of the Tampa Bay Devil Rays granted free agency.
The Arizona Diamondbacks selected Aaron Small off waivers from the Oakland Athletics.
- June 27, 1998
The Texas Rangers purchased Matt Miller from Greenville (Big South).
The Kansas City Royals traded Manuel Bernal (minors) to the Pittsburgh Pirates for Jermaine Allensworth.
- June 28, 1998
The New York Yankees signed Ken Huckaby as a free agent.
- June 29, 1998
The Tampa Bay Devil Rays signed Travis Harper as a free agent.
The San Diego Padres signed Clay Condrey as an amateur free agent.
The Kansas City Royals signed Byron Gettis as an amateur free agent.
The Los Angeles Dodgers released Thomas Howard.
The Detroit Tigers released Andy Tomberlin.
- June 30, 1998
The Atlanta Braves signed Andy Tomberlin as a free agent.
- July 1, 1998
The Toronto Blue Jays signed Tony Phillips as a free agent.
The Tampa Bay Devil Rays released Josías Manzanillo.
- July 2, 1998
The Cleveland Indians signed Rex Hudler as a free agent.
The Boston Red Sox signed Tony Blanco as an amateur free agent.
The Tampa Bay Devil Rays signed Jorge Cantú as an amateur free agent.
The Atlanta Braves signed Alejandro Machado as an amateur free agent.
The Baltimore Orioles purchased Lyle Mouton from Yakult Swallows (Japan Central).
The Cincinnati Reds released Scott Klingenbeck.
- July 3, 1998
The New York Mets signed Josías Manzanillo as a free agent.
The Philadelphia Phillies signed Eude Brito as an amateur free agent.
The Toronto Blue Jays signed Gustavo Chacín as an amateur free agent.
The Cincinnati Reds traded Lenny Harris to the New York Mets for John Hudek.
- July 4, 1998
The Arizona Diamondbacks released Luis Pineda.
The Florida Marlins traded Scott Makarewicz (minors) and Jay Powell to the Houston Astros for Ramón Castro.
The Cincinnati Reds traded Jeff Shaw to the Los Angeles Dodgers for Paul Konerko and Dennys Reyes.
- July 6, 1998
Toby Borland of the Philadelphia Phillies granted free agency.
The Chicago Cubs selected Glenallen Hill off waivers from the Seattle Mariners.
- July 7, 1998
The Baltimore Orioles released Terry Mathews.
- July 8, 1998
The Tampa Bay Devil Rays signed Juan Salas as an amateur free agent.
The Seattle Mariners released Jeff Huson.
- July 9, 1998
The Pittsburgh Pirates signed Tim Laker as a free agent.
The New York Mets signed Jerrod Riggan as a free agent.
- July 10, 1998
The Toronto Blue Jays released Luis Andújar.
The Los Angeles Dodgers traded Greg McMichael and cash to the New York Mets for Brian Bohanon.
- July 12, 1998
The Chicago Cubs released Bob Patterson.
The Cleveland Indians traded Tim Worrell to the Oakland Athletics for a player to be named later. The Oakland Athletics sent Adam Robinson (minors) (July 28, 1998) to the Cleveland Indians to complete the trade.
- July 13, 1998
The Chicago White Sox signed Luis Andújar as a free agent.
- July 14, 1998
The Florida Marlins signed Toby Borland as a free agent.
The Pittsburgh Pirates signed Scott Klingenbeck as a free agent.
The New York Yankees purchased Joe Grahe from Nashua (Atlantic).
The St. Louis Cardinals released Rusty Meacham.
- July 15, 1998
The New York Mets signed Wily Mo Peña as an amateur free agent.
The San Francisco Giants released Jim Poole.
The Chicago Cubs released Tim Unroe.
- July 16, 1998
The St. Louis Cardinals purchased Pat Kelly from the Toronto Blue Jays.
The Chicago White Sox released Jason Bere.
The Detroit Tigers released Joe Oliver.
- July 17, 1998
The Oakland Athletics signed Terry Mathews as a free agent.
The Pittsburgh Pirates traded Esteban Loaiza to the Texas Rangers for Warren Morris and Todd Van Poppel.
The Colorado Rockies selected Derrick White off waivers from the Chicago Cubs.
- July 20, 1998
The Detroit Tigers released Billy Ripken.
- July 21, 1998
The Cincinnati Reds signed Jason Bere as a free agent.
- July 22, 1998
The Cleveland Indians signed Jim Poole as a free agent.
- July 23, 1998
The Los Angeles Dodgers traded Jim Bruske to the San Diego Padres for Widd Workman (minors).
The Baltimore Orioles traded Joe Carter to the San Francisco Giants for Darin Blood (minors).
The Cleveland Indians traded Shawon Dunston, José Mesa and Alvin Morman to the San Francisco Giants for Jacob Cruz and Steve Reed.
The Cleveland Indians traded Eric Plunk to the Milwaukee Brewers for Doug Jones.
- July 24, 1998
The New York Mets signed Melvin Mora as a free agent.
The Seattle Mariners signed Joe Oliver as a free agent.
The Arizona Diamondbacks traded Reid Cornelius to the Florida Marlins for a player to be named later. The Florida Marlins sent Walt White (minors) (October 29, 1998) to the Arizona Diamondbacks to complete the trade.
- July 25, 1998
The Pittsburgh Pirates signed Rusty Meacham as a free agent.
The Baltimore Orioles released Steve Ontiveros.
- July 26, 1998
The Milwaukee Brewers released Paul Wagner.
- July 27, 1998
The Baltimore Orioles released Joel Bennett.
- July 28, 1998
The Baltimore Orioles released Norm Charlton.
- July 29, 1998
The Detroit Tigers signed Ramón Santiago as an amateur free agent.
The Chicago Cubs traded Jon Garland to the Chicago White Sox for Matt Karchner.
- July 30, 1998
The Philadelphia Phillies signed Joel Bennett as a free agent.
The Detroit Tigers signed Luis Pineda as a free agent.
The Anaheim Angels traded Jason Stockstill (minors) and Brian Tokarse (minors) to the Chicago White Sox for Charlie O'Brien.
The Atlanta Braves traded David Cortés and Mike Porzio to the Colorado Rockies for Greg Colbrunn.
The Boston Red Sox traded Jay Yennaco (minors) and Peter Munro to the Toronto Blue Jays for Mike Stanley.
- July 31, 1998
The Pittsburgh Pirates sent Kevin Tolar to the Cincinnati Reds as part of a conditional deal.
The Texas Rangers released Kevin Elster.
The Baltimore Orioles traded Shannon Carter (minors) and Nerio Rodríguez to the Toronto Blue Jays for Juan Guzmán.
The Oakland Athletics traded Scott Rivette (minors) to the Toronto Blue Jays for Ed Sprague.
The Arizona Diamondbacks traded Willie Blair, Jorge Fábregas and cash to the New York Mets for Nelson Figueroa, Bernard Gilkey and cash.
The Boston Red Sox traded Joe Thomas (minors), John Barnes and Matt Kinney to the Minnesota Twins for Orlando Merced and Greg Swindell.
The Los Angeles Dodgers traded Jon Tucker (minors), Peter Bergeron, Wilton Guerrero and Ted Lilly to the Montreal Expos for Hiram Bocachica, Mark Grudzielanek and Carlos Pérez.
The Colorado Rockies traded Ellis Burks to the San Francisco Giants for a player to be named later, Darryl Hamilton and Jim Stoops. The San Francisco Giants sent Jason Brester (minors) (August 18, 1998) to the Colorado Rockies to complete the trade.
The St. Louis Cardinals traded Royce Clayton and Todd Stottlemyre to the Texas Rangers for a player to be named later, Darren Oliver and Fernando Tatís. The Texas Rangers sent Mark Little (August 9, 1998) to the St. Louis Cardinals to complete the trade.
The New York Mets traded Leo Estrella to the Toronto Blue Jays for Tony Phillips.
The Houston Astros traded a player to be named later, Freddy García and Carlos Guillén to the Seattle Mariners for Randy Johnson. The Houston Astros sent John Halama (October 1, 1998) to the Seattle Mariners to complete the trade.
The Boston Red Sox traded Joe Hudson to the Milwaukee Brewers for Eddy Díaz.
The Milwaukee Brewers traded Mike Kinkade to the New York Mets for Bill Pulsipher.
The Chicago Cubs traded Todd Noel (minors), Kevin Orie and Justin Speier to the Florida Marlins for Steve Hoff (minors) and Félix Heredia.
The Florida Marlins traded Todd Zeile to the Texas Rangers for Dan DeYoung (minors) and Jose Santos (minors).
- August 1, 1998
The Arizona Diamondbacks sent Hensley Meulens to the Chicago White Sox as part of a conditional deal.
- August 2, 1998
The St. Louis Cardinals released Brian Hunter.
- August 3, 1998
The Cleveland Indians signed Travis Driskill as a free agent.
The New York Yankees released Dale Sveum.
- August 4, 1998
The Chicago Cubs released Tony Fossas.
- August 5, 1998
The Atlanta Braves signed Norm Charlton as a free agent.
The Atlanta Braves signed Paul Wagner as a free agent.
The New York Mets signed Enrique Cruz as an amateur free agent.
- August 6, 1998
The Atlanta Braves signed José Capellán as an amateur free agent.
The Boston Red Sox purchased Pete Schourek from the Houston Astros.
The San Diego Padres traded Brian Loyd (minors) to the Toronto Blue Jays for Randy Myers.
- August 7, 1998
The Arizona Diamondbacks signed Jeff Huson as a free agent.
The Oakland Athletics released Kevin Mitchell.
The Anaheim Angels selected Jeff Juden off waivers from the Milwaukee Brewers.
- August 8, 1998
The Cincinnati Reds released Ricardo Jordan.
- August 9, 1998
The Oakland Athletics sent Jack Voigt to the Texas Rangers as part of a conditional deal.
- August 10, 1998
The Oakland Athletics sent Mike Fetters to the Anaheim Angels as part of a conditional deal.
The Anaheim Angels released Cecil Fielder.
The Kansas City Royals traded Jermaine Allensworth to the New York Mets for a player to be named later. The New York Mets sent cash (September 3, 1998) to the Kansas City Royals to complete the trade.
The Baltimore Orioles traded Jeffrey Hammonds to the Cincinnati Reds for Willie Greene.
The Florida Marlins selected Manuel Barrios off waivers from the Los Angeles Dodgers.
- August 11, 1998
The New York Yankees signed Ricardo Jordan as a free agent.
- August 13, 1998
The Cleveland Indians signed Cecil Fielder as a free agent.
- August 14, 1998
The Chicago White Sox signed Brian Hunter as a free agent.
The St. Louis Cardinals released Gary Gaetti.
The Philadelphia Phillies selected Paul Byrd off waivers from the Atlanta Braves.
- August 16, 1998
The St. Louis Cardinals released Tom Pagnozzi.
- August 19, 1998
The Texas Rangers signed Tony Fossas as a free agent.
The Chicago Cubs signed Gary Gaetti as a free agent.
The Colorado Rockies traded David Cortés to the Atlanta Braves for a player to be named later. The Atlanta Braves sent Anthony Briggs (minors) (September 8, 1998) to the Colorado Rockies to complete the trade.
- August 21, 1998
The Cleveland Indians released D.J. Carrasco.
- August 23, 1998
The New York Yankees traded Shea Morenz (minors) and Ray Ricken (minors) to the San Diego Padres for Brad Kaufman (minors) and Jim Bruske.
- August 24, 1998
The Arizona Diamondbacks signed Vicente Padilla as an amateur free agent.
- August 25, 1998
The Chicago Cubs traded a player to be named later and cash to the Minnesota Twins for Mike Morgan. The Chicago Cubs sent Scott Downs (November 3, 1998) to the Minnesota Twins to complete the trade.
- August 26, 1998
The Texas Rangers selected Greg Cadaret off waivers from the Anaheim Angels.
- August 27, 1998
The Cincinnati Reds signed Kevin Jarvis as a free agent.
- August 28, 1998
The Pittsburgh Pirates released Steve Mintz.
The Philadelphia Phillies traded Gregg Jefferies to the Anaheim Angels for a player to be named later. The Anaheim Angels sent Doug Nickle (September 9, 1998) to the Philadelphia Phillies to complete the trade.
- August 31, 1998
The Kansas City Royals purchased Tim Spehr from the New York Mets.
The Boston Red Sox traded Corey Jenkins (minors) to the Chicago White Sox for Chris Snopek.
The Cleveland Indians traded David Bell to the Seattle Mariners for Joey Cora.
The Colorado Rockies traded John Vander Wal to the San Diego Padres for a player to be named later. The San Diego Padres sent Kevin Burford (minors) (October 29, 1998) to the Colorado Rockies to complete the trade.
- September 1, 1998
The Kansas City Royals signed Jorge Vásquez as an amateur free agent.
The New York Mets purchased Carlos Pulido from Somerset (Atlantic).
The Boston Red Sox released Orlando Merced.
The Atlanta Braves released Paul Wagner.
- September 2, 1998
The Boston Red Sox signed Juan Pérez as an amateur free agent.
- September 3, 1998
The Kansas City Royals purchased Jeff Suppan from the Arizona Diamondbacks.
- September 4, 1998
The Kansas City Royals released Luis Rivera.
- September 5, 1998
The Chicago Cubs signed Orlando Merced as a free agent.
The Texas Rangers purchased Milt Cuyler from Nashua (Atlantic).
- September 6, 1998
The Detroit Tigers selected Will Brunson off waivers from the Los Angeles Dodgers.
- September 7, 1998
The New York Mets signed Jorge Toca as an amateur free agent.
- September 8, 1998
The Boston Red Sox released David West.
The Texas Rangers selected Scarborough Green off waivers from the St. Louis Cardinals.
- September 9, 1998
The Cincinnati Reds released Kevin Jarvis.
The Atlanta Braves traded Damon Hollins to the Los Angeles Dodgers for Jose Pimentel (minors).
- September 10, 1998
The Los Angeles Dodgers signed Edwin Bellorin as an amateur free agent.
- September 11, 1998
The Cincinnati Reds sent Mark Johnson to the Anaheim Angels as part of a conditional deal.
The San Diego Padres released Eddie Williams.
- September 12, 1998
The Chicago Cubs purchased Chris Haney from the Kansas City Royals.
- September 14, 1998
The San Francisco Giants released Alex Diaz.
- September 15, 1998
The Boston Red Sox signed Melvin Dorta as an amateur free agent.
The Chicago Cubs signed Félix Sánchez as an amateur free agent.
- September 16, 1998
The New York Mets released Wayne Kirby.
- September 18, 1998
The Chicago White Sox sent Chad Kreuter to the Anaheim Angels as part of a conditional deal.
The Cleveland Indians released Cecil Fielder.
- September 19, 1998
The Atlanta Braves signed Joey Dawley as a free agent.
- September 22, 1998
The Colorado Rockies signed Alvin Colina as an amateur free agent.
- September 23, 1998
The Tampa Bay Devil Rays selected Julio Mosquera off waivers from the Toronto Blue Jays.
- September 24, 1998
The Anaheim Angels signed Francisco Rodríguez as an amateur free agent.
- September 25, 1998
The Seattle Mariners signed Cha-Seung Baek as an amateur free agent.
The Toronto Blue Jays signed Guillermo Quiroz as an amateur free agent.
- September 28, 1998
The Minnesota Twins selected Fred Rath off waivers from the Colorado Rockies.
- September 29, 1998
Steve Bieser of the Pittsburgh Pirates granted free agency.
John Cangelosi of the Florida Marlins granted free agency.
Carlos García of the Anaheim Angels granted free agency.
Mike Hubbard of the Montreal Expos granted free agency.
Randy Knorr of the Florida Marlins granted free agency.
Mike Maddux of the Montreal Expos granted free agency.
Donn Pall of the Florida Marlins granted free agency.
Robert Pérez of the Montreal Expos granted free agency.
Mike Robertson of the Arizona Diamondbacks granted free agency.
Mark Smith of the Pittsburgh Pirates granted free agency.
Scott Stahoviak of the Minnesota Twins granted free agency.
Jesús Tavárez of the Baltimore Orioles granted free agency.
John Wehner of the Florida Marlins granted free agency.
The New York Yankees purchased Alfonso Soriano from Hiroshima Toyo Carp (Japan Central).
The Milwaukee Brewers released Joe Hudson.
The Milwaukee Brewers released Marcus Jensen.
The Milwaukee Brewers released Jesse Levis.
- September 30, 1998
Brent Gates of the Minnesota Twins granted free agency.
Dave McCarty of the Seattle Mariners granted free agency.
Matt Ruebel of the Tampa Bay Devil Rays granted free agency.
The Cincinnati Reds released Steve Cooke.
- October 1, 1998
Pedro Borbón of the Atlanta Braves granted free agency.
Derrick May of the Montreal Expos granted free agency.
The Cincinnati Reds selected Eddie Priest off waivers from the Cleveland Indians.
- October 2, 1998
The Tampa Bay Devil Rays signed Brian Stokes as an amateur free agent.
Scott Livingstone of the Montreal Expos granted free agency.
The Arizona Diamondbacks released Joel Adamson.
The San Francisco Giants released Chris Jones.
- October 3, 1998
Iván Cruz of the New York Yankees granted free agency.
Andrew Lorraine of the Seattle Mariners granted free agency.
Jim Poole of the Cleveland Indians granted free agency.
Rico Rossy of the Seattle Mariners granted free agency.
The Minnesota Twins released Todd Ritchie.
- October 6, 1998
Kevin Foster of the Chicago Cubs granted free agency.
The Los Angeles Dodgers selected Doug Bochtler off waivers from the Detroit Tigers.
- October 7, 1998
Brad Pennington of the Tampa Bay Devil Rays granted free agency.
The Tampa Bay Devil Rays selected Cory Lidle off waivers from the Arizona Diamondbacks.
- October 9, 1998
Joe Siddall of the Detroit Tigers granted free agency.
The Seattle Mariners released Rickey Cradle.
- October 12, 1998
The Los Angeles Dodgers traded Eric Weaver to the Seattle Mariners for Scott Prouty (minors).
- October 13, 1998
Warren Newson of the Texas Rangers granted free agency.
- October 14, 1998
Jeff McCurry of the Pittsburgh Pirates granted free agency.
- October 15, 1998
Israel Alcántara of the Tampa Bay Devil Rays granted free agency.
Jeff Barry of the Colorado Rockies granted free agency.
Joel Bennett of the Philadelphia Phillies granted free agency.
Henry Blanco of the Los Angeles Dodgers granted free agency.
Frank Bolick of the Anaheim Angels granted free agency.
Shawn Boskie of the Montreal Expos granted free agency.
Billy Brewer of the Philadelphia Phillies granted free agency.
Scott Brow of the New York Yankees granted free agency.
Jacob Brumfield of the Florida Marlins granted free agency.
Kirk Bullinger of the Montreal Expos granted free agency.
Melvin Bunch of the Montreal Expos granted free agency.
Rob Butler of the Houston Astros granted free agency.
Dan Carlson of the Tampa Bay Devil Rays granted free agency.
Larry Casian of the Chicago White Sox granted free agency.
Alberto Castillo of the New York Mets granted free agency.
Brad Clontz of the New York Mets granted free agency.
Archie Corbin of the Florida Marlins granted free agency.
Rheal Cormier of the Cleveland Indians granted free agency.
Darron Cox of the Tampa Bay Devil Rays granted free agency.
D.T. Cromer of the Oakland Athletics granted free agency.
Milt Cuyler of the Texas Rangers granted free agency.
Steve Decker of the New York Mets granted free agency.
Jim Dougherty of the Oakland Athletics granted free agency.
Dave Eiland of the Tampa Bay Devil Rays granted free agency.
Steve Falteisek of the Montreal Expos granted free agency.
Tony Fiore of the Philadelphia Phillies granted free agency.
Chad Fonville of the Colorado Rockies granted free agency.
Lou Frazier of the Chicago White Sox granted free agency.
Mike Fyhrie of the New York Mets granted free agency.
Steve Gajkowski of the Seattle Mariners granted free agency.
Shawn Gilbert of the St. Louis Cardinals granted free agency.
Joe Grahe of the New York Yankees granted free agency.
Rick Greene of the Milwaukee Brewers granted free agency.
Jason Grimsley of the Cleveland Indians granted free agency.
Todd Haney of the New York Mets granted free agency.
Greg Hansell of the Kansas City Royals granted free agency.
Erik Hanson of the Anaheim Angels granted free agency.
Jason Hardtke of the Chicago Cubs granted free agency.
Tim Harikkala of the Seattle Mariners granted free agency.
Denny Harriger of the Detroit Tigers granted free agency.
Dean Hartgraves of the San Francisco Giants granted free agency.
Chris Hatcher of the Kansas City Royals granted free agency.
Matt Herges of the Los Angeles Dodgers granted free agency.
Ray Holbert of the Montreal Expos granted free agency.
Brian Hunter of the Chicago White Sox granted free agency.
Jeff Huson of the Arizona Diamondbacks granted free agency.
Mark Hutton of the Cincinnati Reds granted free agency.
Adam Hyzdu of the Arizona Diamondbacks granted free agency.
Keith Johns of the Boston Red Sox granted free agency.
Keith Johnson of the Los Angeles Dodgers granted free agency.
Ricardo Jordan of the New York Yankees granted free agency.
Scott Klingenbeck of the Pittsburgh Pirates granted free agency.
Marc Kroon of the Cincinnati Reds granted free agency.
Sean Lawrence of the Pittsburgh Pirates granted free agency.
Jalal Leach of the San Francisco Giants granted free agency.
Richie Lewis of the Baltimore Orioles granted free agency.
Felipe Lira of the Seattle Mariners granted free agency.
Nelson Liriano of the Colorado Rockies granted free agency.
Torey Lovullo of the Cleveland Indians granted free agency.
Terrell Lowery of the Chicago Cubs granted free agency.
Larry Luebbers of the St. Louis Cardinals granted free agency.
Barry Manuel of the Arizona Diamondbacks granted free agency.
Josías Manzanillo of the New York Mets granted free agency.
Damon Mashore of the Anaheim Angels granted free agency.
Terry Mathews of the Oakland Athletics granted free agency.
Rusty Meacham of the Pittsburgh Pirates granted free agency.
Hensley Meulens of the Chicago White Sox granted free agency.
Izzy Molina of the Oakland Athletics granted free agency.
Ray Montgomery of the Houston Astros granted free agency.
Steve Montgomery of the Baltimore Orioles granted free agency.
Guillermo Mota of the Montreal Expos granted free agency.
Chad Mottola of the Texas Rangers granted free agency.
Alan Newman of the San Diego Padres granted free agency.
Chris Nichting of the Cleveland Indians granted free agency.
Héctor Ortiz of the Kansas City Royals granted free agency.
Eric Owens of the Milwaukee Brewers granted free agency.
Craig Paquette of the New York Mets granted free agency.
Bronswell Patrick of the Milwaukee Brewers granted free agency.
Chris Petersen of the Chicago Cubs granted free agency.
J.R. Phillips of the Houston Astros granted free agency.
Ricky Pickett of the Texas Rangers granted free agency.
Luis Polonia of the Tampa Bay Devil Rays granted free agency.
Scott Pose of the New York Yankees granted free agency.
Héctor Ramírez of the Florida Marlins granted free agency.
Roberto Ramírez of the San Diego Padres granted free agency.
José Rijo of the Cincinnati Reds granted free agency.
Johnny Ruffin of the Milwaukee Brewers granted free agency.
Olmedo Sáenz of the Chicago White Sox granted free agency.
A.J. Sager of the Detroit Tigers granted free agency.
Bob Scanlan of the Houston Astros granted free agency.
Steve Scarsone of the Anaheim Angels granted free agency.
Steve Schrenk of the Boston Red Sox granted free agency.
Chris Seelbach of the Seattle Mariners granted free agency.
Terry Shumpert of the Colorado Rockies granted free agency.
Kennie Steenstra of the Chicago Cubs granted free agency.
DaRond Stovall of the Montreal Expos granted free agency.
Everett Stull of the Baltimore Orioles granted free agency.
Tanyon Sturtze of the Texas Rangers granted free agency.
Jim Tatum of the New York Mets granted free agency.
Dave Telgheder of the Oakland Athletics granted free agency.
Ozzie Timmons of the Cincinnati Reds granted free agency.
Andy Tomberlin of the Atlanta Braves granted free agency.
Chris Tremie of the Texas Rangers granted free agency.
Chris Turner of the Kansas City Royals granted free agency.
Efrain Valdez of the Arizona Diamondbacks granted free agency.
Todd Van Poppel of the Pittsburgh Pirates granted free agency.
Ben Van Ryn of the Toronto Blue Jays granted free agency.
Joe Vitiello of the Kansas City Royals granted free agency.
Jack Voigt of the Texas Rangers granted free agency.
Rick Wilkins of the New York Mets granted free agency.
Darrin Winston of the Philadelphia Phillies granted free agency.
Ernie Young of the Kansas City Royals granted free agency.
Eddie Zosky of the Milwaukee Brewers granted free agency.
The Cleveland Indians released Jeff Manto.
The Pittsburgh Pirates released Chance Sanford.
- October 16, 1998
Jamie Arnold of the Atlanta Braves granted free agency.
Esteban Beltré of the Minnesota Twins granted free agency.
Jim Brower of the Cleveland Indians granted free agency.
Jim Bullinger of the Seattle Mariners granted free agency.
Mike Butcher of the Anaheim Angels granted free agency.
Alex Cabrera of the Tampa Bay Devil Rays granted free agency.
Bubba Carpenter of the New York Yankees granted free agency.
Frank Charles of the San Francisco Giants granted free agency.
Chris Clapinski of the Florida Marlins granted free agency.
Brent Cookson of the Arizona Diamondbacks granted free agency.
Mike Coolbaugh of the Colorado Rockies granted free agency.
Reid Cornelius of the Florida Marlins granted free agency.
Nelson Cruz of the Chicago White Sox granted free agency.
Alex Delgado of the Toronto Blue Jays granted free agency.
Miguel Del Toro of the Pittsburgh Pirates granted free agency.
Brendan Donnelly of the Cincinnati Reds granted free agency.
Robert Ellis of the Milwaukee Brewers granted free agency.
Micah Franklin of the Chicago Cubs granted free agency.
Alejandro Freire of the Detroit Tigers granted free agency.
Aaron Fultz of the San Francisco Giants granted free agency.
Gus Gandarillas of the Minnesota Twins granted free agency.
Raúl González of the Kansas City Royals granted free agency.
Wiki González of the San Diego Padres granted free agency.
Creighton Gubanich of the San Diego Padres granted free agency.
Reggie Harris of the Houston Astros granted free agency.
José Herrera of the Toronto Blue Jays granted free agency.
Phil Hiatt of the Cleveland Indians granted free agency.
Aaron Holbert of the Seattle Mariners granted free agency.
Ken Huckaby of the New York Yankees granted free agency.
Doug Linton of the Minnesota Twins granted free agency.
David Manning of the Texas Rangers granted free agency.
Walt McKeel of the Boston Red Sox granted free agency.
Chris Michalak of the Arizona Diamondbacks granted free agency.
Matt Miller of the Texas Rangers granted free agency.
Melvin Mora of the New York Mets granted free agency.
Bobby Muñoz of the Baltimore Orioles granted free agency.
Bry Nelson of the Chicago Cubs granted free agency.
Luis Ortiz of the Kansas City Royals granted free agency.
Brandon Puffer of the Cincinnati Reds granted free agency.
Carlos Pulido of the New York Mets granted free agency.
Roberto Rivera of the Houston Astros granted free agency.
Joe Roa of the San Francisco Giants granted free agency.
Marc Ronan of the Houston Astros granted free agency.
Rich Sauveur of the Pittsburgh Pirates granted free agency.
Bill Selby of the Boston Red Sox granted free agency.
Rubén Sierra of the New York Mets granted free agency.
Dave Silvestri of the Tampa Bay Devil Rays granted free agency.
Steve Sisco of the Kansas City Royals granted free agency.
Joe Slusarski of the Houston Astros granted free agency.
Pedro Swann of the Detroit Tigers granted free agency.
Pete Walker of the Boston Red Sox granted free agency.
B.J. Waszgis of the Boston Red Sox granted free agency.
Matt Whiteside of the Philadelphia Phillies granted free agency.
Tom Wilson of the Arizona Diamondbacks granted free agency.
Chad Zerbe of the San Francisco Giants granted free agency.
Alan Zinter of the Chicago Cubs granted free agency.
The Florida Marlins released Toby Borland.
The Houston Astros released Pete Incaviglia.
- October 19, 1998
Tony Fossas of the Texas Rangers granted free agency.
- October 20, 1998
Mark Thompson of the Colorado Rockies granted free agency.
- October 22, 1998
José Canseco of the Toronto Blue Jays granted free agency.
Butch Henry of the Boston Red Sox granted free agency.
Darrin Jackson of the Milwaukee Brewers granted free agency.
Brian Jordan of the St. Louis Cardinals granted free agency.
Luis Pineda of the Detroit Tigers granted free agency.
Tom Prince of the Los Angeles Dodgers granted free agency.
Todd Stottlemyre of the Texas Rangers granted free agency.
Bob Tewksbury of the Minnesota Twins granted free agency.
Mike Timlin of the Seattle Mariners granted free agency.
- October 23, 1998
The Texas Rangers signed Milt Cuyler as a free agent.
The San Diego Padres signed Wiki González as a free agent.
The Houston Astros signed Marc Ronan as a free agent.
Rafael Belliard of the Atlanta Braves granted free agency.
Gerónimo Berroa of the Detroit Tigers granted free agency.
Mike Blowers of the Oakland Athletics granted free agency.
Tim Bogar of the Houston Astros granted free agency.
Jeff Branson of the Cleveland Indians granted free agency.
Ken Caminiti of the San Diego Padres granted free agency.
Royce Clayton of the Texas Rangers granted free agency.
Greg Colbrunn of the Atlanta Braves granted free agency.
Dennis Cook of the New York Mets granted free agency.
Delino DeShields of the St. Louis Cardinals granted free agency.
Shawon Dunston of the San Francisco Giants granted free agency.
Gary Gaetti of the Chicago Cubs granted free agency.
Craig Grebeck of the Toronto Blue Jays granted free agency.
Darryl Hamilton of the Colorado Rockies granted free agency.
Bill Haselman of the Texas Rangers granted free agency.
Carlos Hernández of the San Diego Padres granted free agency.
Glenallen Hill of the Chicago Cubs granted free agency.
Tom Lampkin of the St. Louis Cardinals granted free agency.
Mike Macfarlane of the Oakland Athletics granted free agency.
Mike Magnante of the Houston Astros granted free agency.
John Marzano of the Seattle Mariners granted free agency.
Jack McDowell of the Anaheim Angels granted free agency.
Willie McGee of the St. Louis Cardinals granted free agency.
José Mesa of the San Francisco Giants granted free agency.
Alan Mills of the Baltimore Orioles granted free agency.
Hal Morris of the Kansas City Royals granted free agency.
José Offerman of the Kansas City Royals granted free agency.
Dean Palmer of the Kansas City Royals granted free agency.
Rafael Palmeiro of the Baltimore Orioles granted free agency.
Mark Parent of the Philadelphia Phillies granted free agency.
Terry Pendleton of the Kansas City Royals granted free agency.
Scott Radinsky of the Los Angeles Dodgers granted free agency.
Henry Rodríguez of the Chicago Cubs granted free agency.
Benito Santiago of the Toronto Blue Jays granted free agency.
Pete Schourek of the Boston Red Sox granted free agency.
Scott Servais of the Chicago Cubs granted free agency.
Heathcliff Slocumb of the Seattle Mariners granted free agency.
Bill Swift of the Seattle Mariners granted free agency.
Mo Vaughn of the Boston Red Sox granted free agency.
Randy Velarde of the Anaheim Angels granted free agency.
Robin Ventura of the Chicago White Sox granted free agency.
Devon White of the Arizona Diamondbacks granted free agency.
Trevor Wilson of the Anaheim Angels granted free agency.
- October 26, 1998
The Arizona Diamondbacks signed Izzy Molina as a free agent.
Roberto Alomar of the Baltimore Orioles granted free agency.
Rich Amaral of the Seattle Mariners granted free agency.
Carlos Baerga of the New York Mets granted free agency.
Tim Belcher of the Kansas City Royals granted free agency.
Mike Benjamin of the Boston Red Sox granted free agency.
Sean Berry of the Houston Astros granted free agency.
Kevin Brown of the San Diego Padres granted free agency.
Mike Fetters of the Anaheim Angels granted free agency.
Steve Finley of the San Diego Padres granted free agency.
Mark Guthrie of the Los Angeles Dodgers granted free agency.
Rickey Henderson of the Oakland Athletics granted free agency.
John Jaha of the Milwaukee Brewers granted free agency.
Gregg Jefferies of the Anaheim Angels granted free agency.
Pat Kelly of the St. Louis Cardinals granted free agency.
Chad Kreuter of the Anaheim Angels granted free agency.
Mark Lemke of the Boston Red Sox granted free agency.
Mark Lewis of the Philadelphia Phillies granted free agency.
Paul Molitor of the Minnesota Twins granted free agency.
Mike Munoz of the Colorado Rockies granted free agency.
Tim Raines of the New York Yankees granted free agency.
Armando Reynoso of the New York Mets granted free agency.
Bip Roberts of the Oakland Athletics granted free agency.
Craig Shipley of the Anaheim Angels granted free agency.
Dave Stieb of the Toronto Blue Jays granted free agency.
B.J. Surhoff of the Baltimore Orioles granted free agency.
John Vander Wal of the San Diego Padres granted free agency.
Bernie Williams of the New York Yankees granted free agency.
- October 27, 1998
The Toronto Blue Jays signed Craig Grebeck as a free agent.
The Atlanta Braves signed Steve Sisco as a free agent.
The Anaheim Angels signed Tim Unroe as a free agent.
Albert Belle of the Chicago White Sox granted free agency.
Brian Bohanon of the Los Angeles Dodgers granted free agency.
Scott Brosius of the New York Yankees granted free agency.
Frank Castillo of the Detroit Tigers granted free agency.
Norm Charlton of the Atlanta Braves granted free agency.
Eric Davis of the Baltimore Orioles granted free agency.
Doug Drabek of the Baltimore Orioles granted free agency.
Jim Eisenreich of the Los Angeles Dodgers granted free agency.
Chris Haney of the Chicago Cubs granted free agency.
Jimmy Key of the Baltimore Orioles granted free agency.
Shane Mack of the Kansas City Royals granted free agency.
Otis Nixon of the Minnesota Twins granted free agency.
Joe Oliver of the Seattle Mariners granted free agency.
Roger Pavlik of the Texas Rangers granted free agency.
Pete Smith of the Baltimore Orioles granted free agency.
Ed Sprague of the Oakland Athletics granted free agency.
Greg Swindell of the Boston Red Sox granted free agency.
- October 28, 1998
The San Francisco Giants signed Aaron Fultz as a free agent.
Steve Avery of the Boston Red Sox granted free agency.
Greg Cadaret of the Texas Rangers granted free agency.
Mark Clark of the Chicago Cubs granted free agency.
Xavier Hernandez of the Texas Rangers granted free agency.
Randy Johnson of the Houston Astros granted free agency.
Scott Leius of the Kansas City Royals granted free agency.
Kirt Manwaring of the Colorado Rockies granted free agency.
Orlando Merced of the Chicago Cubs granted free agency.
Jeff Montgomery of the Kansas City Royals granted free agency.
Terry Mulholland of the Chicago Cubs granted free agency.
Tony Phillips of the New York Mets granted free agency.
Mark Portugal of the Philadelphia Phillies granted free agency.
The Boston Red Sox purchased Morgan Burkhart from Richmond (Frontier).
The Florida Marlins selected Bruce Aven off waivers from the Cleveland Indians.
- October 29, 1998
The Colorado Rockies signed Roberto Ramírez as a free agent.
Ricky Bones of the Kansas City Royals granted free agency.
Joey Cora of the Cleveland Indians granted free agency.
Doug Jones of the Cleveland Indians granted free agency.
Dave Magadan of the Oakland Athletics granted free agency.
Terry Steinbach of the Minnesota Twins granted free agency.
Bobby Witt of the St. Louis Cardinals granted free agency.
- October 30, 1998
The Kansas City Royals signed Rico Rossy as a free agent.
The San Francisco Giants signed Ben Weber as a free agent.
The San Francisco Giants signed Ángel Chávez as an amateur free agent.
The Arizona Diamondbacks signed Enrique González as an amateur free agent.
Scott Bailes of the Texas Rangers granted free agency.
Mike Morgan of the Chicago Cubs granted free agency.
Mark Whiten of the Cleveland Indians granted free agency.
- October 31, 1998
The Montreal Expos signed Armando Galarraga as an amateur free agent.
Lenny Harris of the New York Mets granted free agency.
- November 2, 1998
Ellis Burks of the San Francisco Giants granted free agency.
Ozzie Guillén of the Atlanta Braves granted free agency.
Orel Hershiser of the San Francisco Giants granted free agency.
Mark Langston of the San Diego Padres granted free agency.
Dennis Martínez of the Atlanta Braves granted free agency.
Andy Stankiewicz of the Arizona Diamondbacks granted free agency.
- November 3, 1998
The Colorado Rockies signed Chris Petersen as a free agent.
Pat Borders of the Cleveland Indians granted free agency.
Wil Cordero of the Chicago White Sox granted free agency.
Dennis Eckersley of the Boston Red Sox granted free agency.
Darren Lewis of the Boston Red Sox granted free agency.
Yakult Swallows (Japan Central) purchased Jason Jacome from the Cleveland Indians.
The Tampa Bay Devil Rays released Dennis Springer.
- November 4, 1998
The Boston Red Sox signed Creighton Gubanich as a free agent.
The Texas Rangers signed Matt Miller as a free agent.
- November 5, 1998
The Philadelphia Phillies signed Joel Bennett as a free agent.
The Philadelphia Phillies signed Alberto Castillo as a free agent.
The Milwaukee Brewers signed Steve Falteisek as a free agent.
The Philadelphia Phillies signed Lou Frazier as a free agent.
The Boston Red Sox signed Darren Lewis as a free agent.
The Philadelphia Phillies signed Torey Lovullo as a free agent.
The Philadelphia Phillies signed Steve Montgomery as a free agent.
The Chicago Cubs signed Terry Mulholland as a free agent.
The Philadelphia Phillies signed Steve Schrenk as a free agent.
The Philadelphia Phillies signed Yoel Hernández as an amateur free agent.
Jim Abbott of the Chicago White Sox granted free agency.
Joe Carter of the San Francisco Giants granted free agency.
Will Clark of the Texas Rangers granted free agency.
David Cone of the New York Yankees granted free agency.
Juan Samuel of the Toronto Blue Jays granted free agency.
Rey Sánchez of the San Francisco Giants granted free agency.
The Cincinnati Reds released Melvin Nieves.
- November 6, 1998
The Arizona Diamondbacks signed Óscar Villarreal as an amateur free agent.
The Arizona Diamondbacks released Brent Brede.
- November 7, 1998
The San Diego Padres signed Mark Langston as a free agent.
- November 9, 1998
The Colorado Rockies signed Brian Bohanon as a free agent.
The Colorado Rockies signed Darryl Hamilton as a free agent.
The Colorado Rockies signed Lenny Harris as a free agent.
The Los Angeles Dodgers signed Devon White as a free agent.
The Philadelphia Phillies traded Mark Leiter to the Seattle Mariners for Paul Spoljaric.
- November 10, 1998
The New York Yankees signed Scott Brosius as a free agent.
The Anaheim Angels signed Pedro Liriano as an amateur free agent.
The Cincinnati Reds released Rick Krivda.
The Cincinnati Reds released Tony Tarasco.
The Atlanta Braves traded Rob Bell, Denny Neagle and Michael Tucker to the Cincinnati Reds for Bret Boone and Mike Remlinger.
The Arizona Diamondbacks traded Alan Embree to the San Francisco Giants for Dante Powell.
- November 11, 1998
The New York Yankees signed David Cone as a free agent.
The Pittsburgh Pirates signed Rich Sauveur as a free agent.
The Arizona Diamondbacks signed Brian Shouse as a free agent.
The Milwaukee Brewers released Bob Hamelin.
The Los Angeles Dodgers traded Bobby Bonilla to the New York Mets for Mel Rojas.
The Chicago White Sox traded Mike Cameron to the Cincinnati Reds for Paul Konerko.
The Arizona Diamondbacks traded Bob Wolcott to the Boston Red Sox for a player to be named later. The Boston Red Sox sent Bart Miadich (December 15, 1998) to the Arizona Diamondbacks to complete the trade.
- November 12, 1998
The St. Louis Cardinals signed Larry Luebbers as a free agent.
The Florida Marlins signed DaRond Stovall as a free agent.
The Chicago Cubs signed Alan Zinter as a free agent.
- November 13, 1998
The San Francisco Giants signed Ellis Burks as a free agent.
The Chicago Cubs signed Steve Gajkowski as a free agent.
The Chicago Cubs signed Andrew Lorraine as a free agent.
The Seattle Mariners signed José Mesa as a free agent.
The Detroit Tigers signed Dean Palmer as a free agent.
The Oakland Athletics signed Olmedo Sáenz as a free agent.
The Chicago Cubs signed Scott Stahoviak as a free agent.
The Arizona Diamondbacks signed Greg Swindell as a free agent.
The San Diego Padres signed John Vander Wal as a free agent.
The Pittsburgh Pirates signed Chris Coste as a free agent.
The Cleveland Indians traded Chad Ogea to the Philadelphia Phillies for Jerry Spradlin.
- November 16, 1998
The Boston Red Sox signed Raúl González as a free agent.
The Boston Red Sox signed José Offerman as a free agent.
The Baltimore Orioles signed Mike Timlin as a free agent.
The San Diego Padres signed Matt Whiteside as a free agent.
The Anaheim Angels released Jeff Juden.
The Anaheim Angels released Rich Robertson.
The Minnesota Twins traded Dan Naulty to the New York Yankees for Allen Butler (minors).
- November 17, 1998
The Pittsburgh Pirates signed Mike Benjamin as a free agent.
The Cincinnati Reds signed Jeff Branson as a free agent.
The Seattle Mariners signed Melvin Bunch as a free agent.
The Houston Astros signed Ken Caminiti as a free agent.
The Arizona Diamondbacks signed Greg Colbrunn as a free agent.
The New York Yankees signed Mike Coolbaugh as a free agent.
The Florida Marlins signed Archie Corbin as a free agent.
The Cincinnati Reds signed Kevin Foster as a free agent.
The Cincinnati Reds signed Brandon Puffer as a free agent.
The Kansas City Royals signed Joe Roa as a free agent.
Ramón Martínez of the Los Angeles Dodgers granted free agency.
The San Diego Padres released Archi Cianfrocco.
The San Diego Padres released Scott Sanders.
- November 18, 1998
The New York Mets signed Dennis Cook as a free agent.
The Anaheim Angels signed Reid Cornelius as a free agent.
The Anaheim Angels signed Steve Decker as a free agent.
The Toronto Blue Jays signed Alex Delgado as a free agent.
The Anaheim Angels signed Mike Fyhrie as a free agent.
The Anaheim Angels signed Jeff Huson as a free agent.
The New York Mets signed Andy Tomberlin as a free agent.
The Anaheim Angels signed Darrin Winston as a free agent.
The Toronto Blue Jays released Shannon Withem.
The Cleveland Indians traded Brian Giles to the Pittsburgh Pirates for Ricardo Rincón.
- November 19, 1998
The Tampa Bay Devil Rays signed Larry Casian as a free agent.
The St. Louis Cardinals signed Eric Davis as a free agent.
The Tampa Bay Devil Rays signed Terrell Lowery as a free agent.
The Tampa Bay Devil Rays signed Bobby Muñoz as a free agent.
The Tampa Bay Devil Rays signed Alan Newman as a free agent.
The Atlanta Braves signed Chris Seelbach as a free agent.
Calvin Maduro of the Philadelphia Phillies granted free agency.
The Florida Marlins released Brian Daubach.
The Seattle Mariners released Bob Wells.
The Philadelphia Phillies traded Ricky Bottalico and Garrett Stephenson to the St. Louis Cardinals for Jeff Brantley, Ron Gant and Cliff Politte.
The Seattle Mariners selected Kerry Robinson off waivers from the Tampa Bay Devil Rays.
The Texas Rangers selected Jon Shave off waivers from the Minnesota Twins.
- November 20, 1998
The San Francisco Giants signed Miguel Del Toro as a free agent.
The Milwaukee Brewers signed Héctor Ramírez as a free agent.
The Boston Red Sox purchased Tomo Ohka from Yokohama Bay Stars (Japan Central).
The Colorado Rockies released Jason Bates.
The Boston Red Sox released Carlos Valdez.
The Florida Marlins traded Óscar Henríquez to the New York Mets for Jorge Fábregas.
- November 22, 1998
The Seattle Mariners signed Butch Henry as a free agent.
The Los Angeles Dodgers released Damon Hollins.
- November 23, 1998
The San Diego Padres signed Dean Hartgraves as a free agent.
The Atlanta Braves signed Brian Jordan as a free agent.
The St. Louis Cardinals signed Scott Radinsky as a free agent.
The San Diego Padres signed Roberto Rivera as a free agent.
The Chicago White Sox signed Tanyon Sturtze as a free agent.
The Tampa Bay Devil Rays signed Tom Wilson as a free agent.
The Detroit Tigers purchased Masao Kida from Orix (Japan Pacific).
The Boston Red Sox released Billy Ashley.
The Boston Red Sox released Rich Garcés.
- November 24, 1998
The Detroit Tigers signed Rickey Cradle as a free agent.
The Detroit Tigers signed Nelson Cruz as a free agent.
The Tampa Bay Devil Rays signed Aaron Holbert as a free agent.
The Detroit Tigers signed Felipe Lira as a free agent.
The Texas Rangers signed Juan Moreno as a free agent.
The Detroit Tigers signed Joe Siddall as a free agent.
The Philadelphia Phillies signed Rob Tejeda as an amateur free agent.
- November 25, 1998
The Tampa Bay Devil Rays signed Dave Silvestri as a free agent.
The New York Yankees signed Bernie Williams as a free agent.
Don Wengert of the Chicago Cubs granted free agency.
The Baltimore Orioles released P.J. Forbes.
- November 26, 1998
George Williams of the Oakland Athletics granted free agency.
- November 28, 1998
The Tampa Bay Devil Rays signed Dave Eiland as a free agent.
The Philadelphia Phillies signed Tony Fiore as a free agent.
- November 30, 1998
Gary Rath of the Los Angeles Dodgers granted free agency.
- December 1, 1998
The Cleveland Indians signed Roberto Alomar as a free agent.
The Baltimore Orioles signed Albert Belle as a free agent.
The Atlanta Braves signed Otis Nixon as a free agent.
The New York Mets signed Robin Ventura as a free agent.
The Atlanta Braves released Curtis Pride.
The Baltimore Orioles traded Armando Benítez to the New York Mets for Charles Johnson.
The Los Angeles Dodgers traded Roger Cedeño and Charles Johnson to the New York Mets for Arnie Gooch (minors) and Todd Hundley.
- December 2, 1998
The Texas Rangers signed Royce Clayton as a free agent.
The Atlanta Braves signed Ozzie Guillén as a free agent.
The San Diego Padres signed Carlos Hernández as a free agent.
The Texas Rangers signed Mike Hubbard as a free agent.
The Arizona Diamondbacks signed Armando Reynoso as a free agent.
The Chicago Cubs signed Henry Rodríguez as a free agent.
The Chicago Cubs signed Scott Sanders as a free agent.
The Arizona Diamondbacks signed Todd Stottlemyre as a free agent.
The Arizona Diamondbacks signed Ernie Young as a free agent.
Yakult Swallows (Japan Central) purchased Roberto Petagine from the Cincinnati Reds.
The Chicago Cubs released Dave Stevens.
The Cincinnati Reds traded Guillermo Garcia to the Florida Marlins for Manuel Barrios.
- December 4, 1998
The San Francisco Giants signed Greg Hansell as a free agent.
The Milwaukee Brewers signed Reggie Harris as a free agent.
The Texas Rangers signed Rafael Palmeiro as a free agent.
The San Francisco Giants signed Bronswell Patrick as a free agent.
The Philadelphia Phillies signed Carlos Ruiz as an amateur free agent.
The Detroit Tigers traded Joe Randa to the New York Mets for Willie Blair.
The Detroit Tigers selected Bryan Corey off waivers from the Arizona Diamondbacks.
- December 5, 1998
The San Diego Padres signed Graham Koonce as a free agent.
The Milwaukee Brewers selected Charlie Greene off waivers from the Baltimore Orioles.
- December 7, 1998
The Houston Astros signed Tim Bogar as a free agent.
The Philadelphia Phillies signed Billy Brewer as a free agent.
The Baltimore Orioles signed Will Clark as a free agent.
The Baltimore Orioles signed Delino DeShields as a free agent.
The Chicago Cubs signed Gary Gaetti as a free agent.
The Chicago Cubs signed Glenallen Hill as a free agent.
The St. Louis Cardinals signed Pat Kelly as a free agent.
The Anaheim Angels signed Jack McDowell as a free agent.
The St. Louis Cardinals signed Willie McGee as a free agent.
The Kansas City Royals signed Jeff Montgomery as a free agent.
The Anaheim Angels signed Craig Shipley as a free agent.
The Toronto Blue Jays signed Dave Stieb as a free agent.
The Baltimore Orioles signed B.J. Surhoff as a free agent.
The Anaheim Angels signed Randy Velarde as a free agent.
The Kansas City Royals selected Darío Veras off waivers from the Boston Red Sox.
- December 8, 1998
The Cleveland Indians signed Mark Whiten as a free agent.
The Chicago Cubs released Matt Mieske.
The Chicago Cubs released Pedro Valdés.
The Arizona Diamondbacks traded Félix Rodríguez to the San Francisco Giants for players to be named later. The San Francisco Giants sent Troy Brohawn (December 21, 1998) and Chris Van Rossum (minors) (December 21, 1998) to the Arizona Diamondbacks to complete the trade.
The New York Yankees traded Chris Singleton to the Chicago White Sox for a player to be named later. The Chicago White Sox sent Rich Pratt (minors) (January 10, 1999) to the New York Yankees to complete the trade.
- December 9, 1998
The Texas Rangers signed Rich Robertson as a free agent.
The Chicago Cubs signed Benito Santiago as a free agent.
The Colorado Rockies released Derrick White.
- December 10, 1998
The Milwaukee Brewers signed Sean Berry as a free agent.
The Texas Rangers signed Mark Clark as a free agent.
The Arizona Diamondbacks signed Randy Johnson as a free agent.
The Los Angeles Dodgers signed Alan Mills as a free agent.
The San Diego Padres signed Eric Owens as a free agent.
The Boston Red Sox purchased Marino Santana from the Detroit Tigers.
The Kansas City Royals traded Juan LeBron (minors) to the New York Mets for Joe Randa.
- December 11, 1998
The Oakland Athletics signed Joel Adamson as a free agent.
The Tampa Bay Devil Rays signed José Canseco as a free agent.
The Milwaukee Brewers signed Luis Ortiz as a free agent.
The Boston Red Sox signed Mark Portugal as a free agent.
The Kansas City Royals signed Rey Sánchez as a free agent.
The Anaheim Angels signed Mo Vaughn as a free agent.
The Milwaukee Brewers signed Eddie Zosky as a free agent.
The Detroit Tigers released Trey Beamon.
The Baltimore Orioles released Rich Becker.
The Texas Rangers released Domingo Cedeño.
- December 12, 1998
The Los Angeles Dodgers signed Kevin Brown as a free agent.
The San Diego Padres traded Joey Hamilton to the Toronto Blue Jays for Pete Tucci (minors), Carlos Almánzar and Woody Williams.
- December 14, 1998
The Boston Red Sox drafted Joel Adamson from the Oakland Athletics in the 1998 rule 5 draft.
The Houston Astros drafted Glen Barker from the Detroit Tigers in the 1998 rule 5 draft.
The St. Louis Cardinals drafted Alberto Castillo from the Philadelphia Phillies in the 1998 rule 5 draft.
The Houston Astros drafted Wayne Franklin from the Los Angeles Dodgers in the 1998 rule 5 draft.
The Tampa Bay Devil Rays drafted David Lamb from the Baltimore Orioles in the 1998 rule 5 draft.
The Pittsburgh Pirates drafted Scott Sauerbeck from the New York Mets in the 1998 rule 5 draft.
The Tampa Bay Devil Rays drafted Luis García from the Chicago White Sox in the 1998 minor league draft.
The Florida Marlins drafted Benji Gil from the Chicago White Sox in the 1998 minor league draft.
The Detroit Tigers drafted Eric Ludwick from the Florida Marlins in the 1998 minor league draft.
The Boston Red Sox signed Israel Alcántara as a free agent.
The Toronto Blue Jays signed Gerónimo Berroa as a free agent.
The Boston Red Sox signed Kirk Bullinger as a free agent.
The Boston Red Sox signed Brad Clontz as a free agent.
The New York Mets signed Todd Haney as a free agent.
The Boston Red Sox signed Tim Harikkala as a free agent.
The Detroit Tigers signed Bill Haselman as a free agent.
The Seattle Mariners signed Tom Lampkin as a free agent.
The Oakland Athletics signed Tony Phillips as a free agent.
The Seattle Mariners released Paul Abbott.
The Oakland Athletics released Rafael Bournigal.
The Pittsburgh Pirates released Miguel Ojeda.
The Cincinnati Reds released Eduardo Pérez.
The St. Louis Cardinals released Brady Raggio.
The Boston Red Sox released Carlos Reyes.
The Cincinnati Reds released John Riedling.
The Chicago Cubs traded Brant Brown to the Pittsburgh Pirates for Jon Lieber.
The New York Mets traded Butch Huskey to the Seattle Mariners for Leslie Brea.
The Detroit Tigers traded Eric Ludwick to the Toronto Blue Jays for Beiker Graterol.
The Minnesota Twins traded Alex Ochoa to the Milwaukee Brewers for a player to be named later. The Milwaukee Brewers sent Darrell Nicholas (minors) (December 15, 1998) to the Minnesota Twins to complete the trade.
The St. Louis Cardinals traded Mark Petkovsek to the Anaheim Angels for a player to be named later. The Anaheim Angels sent Matt Garrick (minors) (December 18, 1998) to the St. Louis Cardinals to complete the trade.
The Florida Marlins traded Édgar Rentería to the St. Louis Cardinals for Armando Almanza, Braden Looper and Pablo Ozuna.
The Montreal Expos selected Dan Smith off waivers from the Texas Rangers.
- December 15, 1998
The Cincinnati Reds signed D.T. Cromer as a free agent.
The Detroit Tigers signed Alejandro Freire as a free agent.
The Minnesota Twins signed Brent Gates as a free agent.
The Cincinnati Reds signed Jason Hardtke as a free agent.
The Cincinnati Reds signed Damon Hollins as a free agent.
The Kansas City Royals signed Chad Kreuter as a free agent.
The New York Yankees signed Chris Nichting as a free agent.
The Minnesota Twins signed Melvin Nieves as a free agent.
The Cincinnati Reds signed Mark Thompson as a free agent.
The Minnesota Twins signed Eddie Williams as a free agent.
The Colorado Rockies purchased Chuck Smith from Sioux Falls (Northern).
- December 16, 1998
The New York Yankees signed Bubba Carpenter as a free agent.
The New York Mets signed Rickey Henderson as a free agent.
The Cincinnati Reds signed Phil Hiatt as a free agent.
The Seattle Mariners signed Marc Kroon as a free agent.
The Oakland Athletics signed Mike Macfarlane as a free agent.
The Toronto Blue Jays signed Walt McKeel as a free agent.
The Pittsburgh Pirates signed Ed Sprague as a free agent.
The Arizona Diamondbacks purchased Erubiel Durazo from Monterrey (Mexican).
The Milwaukee Brewers released José Mercedes.
The Boston Red Sox selected Steve Connelly off waivers from the Oakland Athletics.
- December 17, 1998
The Arizona Diamondbacks signed Dan Carlson as a free agent.
The Kansas City Royals signed Erik Hanson as a free agent.
The Baltimore Orioles signed Xavier Hernandez as a free agent.
The Kansas City Royals signed Ray Holbert as a free agent.
The Arizona Diamondbacks signed Pete Incaviglia as a free agent.
The Arizona Diamondbacks signed Keith Johnson as a free agent.
The Kansas City Royals signed Rick Krivda as a free agent.
The Kansas City Royals signed Scott Leius as a free agent.
The Baltimore Orioles signed Doug Linton as a free agent.
The Colorado Rockies signed Kirt Manwaring as a free agent.
The Seattle Mariners signed Matt Mieske as a free agent.
The Chicago White Sox signed Chad Mottola as a free agent.
The Kansas City Royals signed Ricky Pickett as a free agent.
The Philadelphia Phillies signed Jim Poole as a free agent.
The Kansas City Royals signed Scott Pose as a free agent.
The Arizona Diamondbacks signed Matt Ruebel as a free agent.
The Houston Astros signed Joe Slusarski as a free agent.
The Kansas City Royals signed Kennie Steenstra as a free agent.
The Detroit Tigers signed Pedro Swann as a free agent.
The Kansas City Royals signed Joe Vitiello as a free agent.
- December 18, 1998
The Colorado Rockies signed Jeff Barry as a free agent.
The Colorado Rockies signed Henry Blanco as a free agent.
The Anaheim Angels signed Toby Borland as a free agent.
The San Diego Padres signed Frank Charles as a free agent.
The Boston Red Sox signed Brian Daubach as a free agent.
The Arizona Diamondbacks signed Steve Finley as a free agent.
The Tampa Bay Devil Rays signed Mark Hutton as a free agent.
The Tampa Bay Devil Rays signed Jesse Levis as a free agent.
The San Diego Padres signed Shane Mack as a free agent.
The New York Mets signed Josías Manzanillo as a free agent.
The Detroit Tigers signed Dave McCarty as a free agent.
The New York Mets signed Craig Paquette as a free agent.
The Colorado Rockies signed J.R. Phillips as a free agent.
The Detroit Tigers signed Luis Polonia as a free agent.
The Philadelphia Phillies signed Tom Prince as a free agent.
The Minnesota Twins signed Gary Rath as a free agent.
The Pittsburgh Pirates signed Pete Schourek as a free agent.
The Colorado Rockies signed Terry Shumpert as a free agent.
The Colorado Rockies signed Jim Tatum as a free agent.
Héctor Almonte of the Florida Marlins granted free agency.
Tim Young of the Montreal Expos granted free agency.
Free agent signing of Kevin Foster by the Cincinnati Reds voided.
The Pittsburgh Pirates released Tim Laker.
The Milwaukee Brewers released Marc Newfield.
The Milwaukee Brewers selected Lou Collier off waivers from the Pittsburgh Pirates.
The Montreal Expos selected Manny Martínez off waivers from the Pittsburgh Pirates.
- December 19, 1998
The Florida Marlins signed Héctor Almonte as a free agent.
The Boston Red Sox signed Mark Guthrie as a free agent.
Jamie Walker of the Kansas City Royals granted free agency.
- December 20, 1998
The Chicago White Sox signed Arnie Muñoz as an amateur free agent.
- December 21, 1998
The Baltimore Orioles signed Rich Amaral as a free agent.
The Cincinnati Reds signed Steve Avery as a free agent.
The Baltimore Orioles signed Ricky Bones as a free agent.
The Florida Marlins signed Chris Clapinski as a free agent.
The Colorado Rockies signed Chris Hatcher as a free agent.
The San Diego Padres signed Dave Magadan as a free agent.
The New York Mets signed Pat Mahomes as a free agent.
The Kansas City Royals signed Don Wengert as a free agent.
The Minnesota Twins signed George Williams as a free agent.
Jeff Ball of the San Francisco Giants granted free agency.
Willie Banks of the Arizona Diamondbacks granted free agency.
Darren Bragg of the Boston Red Sox granted free agency.
Robinson Checo of the Boston Red Sox granted free agency.
Rob Ducey of the Seattle Mariners granted free agency.
Osvaldo Fernández of the San Francisco Giants granted free agency.
Keith Glauber of the Cincinnati Reds granted free agency.
Willie Greene of the Baltimore Orioles granted free agency.
Brian Johnson of the San Francisco Giants granted free agency.
Matt Luke of the Los Angeles Dodgers granted free agency.
John Mabry of the St. Louis Cardinals granted free agency.
Sean Maloney of the Los Angeles Dodgers granted free agency.
Norberto Martin of the Anaheim Angels granted free agency.
Mike Matheny of the Milwaukee Brewers granted free agency.
Allen McDill of the Kansas City Royals granted free agency.
Billy McMillon of the Philadelphia Phillies granted free agency.
Pat Meares of the Minnesota Twins granted free agency.
Keith Mitchell of the Boston Red Sox granted free agency.
Mike Mohler of the Oakland Athletics granted free agency.
James Mouton of the San Diego Padres granted free agency.
Mike Oquist of the Oakland Athletics granted free agency.
Pat Rapp of the Kansas City Royals granted free agency.
F.P. Santangelo of the Montreal Expos granted free agency.
Darryl Strawberry of the New York Yankees granted free agency.
Marc Valdes of the Montreal Expos granted free agency.
Allen Watson of the Anaheim Angels granted free agency.
Jon Zuber of the Philadelphia Phillies granted free agency.
Brian Bevil of the Kansas City Royals granted free agency.
Jesse Garcia of the Baltimore Orioles granted free agency.
Alvin Morman of the San Francisco Giants granted free agency.
Ken Ryan of the Philadelphia Phillies granted free agency.
The Kansas City Royals signed Brian Bevil as a free agent.
The Baltimore Orioles signed Jesse Garcia as a free agent.
The Kansas City Royals signed Alvin Morman as a free agent.
The Philadelphia Phillies signed Ken Ryan as a free agent.
- December 22, 1998
The Pittsburgh Pirates signed Rafael Bournigal as a free agent.
The Pittsburgh Pirates signed Iván Cruz as a free agent.
The Pittsburgh Pirates signed Jim Dougherty as a free agent.
The Philadelphia Phillies signed Rob Ducey as a free agent.
The Pittsburgh Pirates signed Ray Montgomery as a free agent.
The Cincinnati Reds signed John Riedling as a free agent.
The Pittsburgh Pirates signed Todd Ritchie as a free agent.
The Pittsburgh Pirates signed Chris Tremie as a free agent.
The Anaheim Angels released Mark Johnson.
- December 23, 1998
The Florida Marlins sent Gregg Zaun to the Texas Rangers as part of a conditional deal.
The Anaheim Angels signed Tim Belcher as a free agent.
The Toronto Blue Jays signed Rob Butler as a free agent.
The Cincinnati Reds signed Giovanni Carrara as a free agent.
The Oakland Athletics signed Domingo Cedeño as a free agent.
The Pittsburgh Pirates signed Mike Garcia as a free agent.
The Cincinnati Reds signed Mark Lewis as a free agent.
The Toronto Blue Jays signed Mike Matheny as a free agent.
The San Francisco Giants signed F.P. Santangelo as a free agent.
- December 27, 1998
The San Diego Padres signed Carlos García as a free agent.
- December 28, 1998
The Detroit Tigers signed Gregg Jefferies as a free agent.
The Arizona Diamondbacks traded Karim García to the Detroit Tigers for Luis Gonzalez.
- December 29, 1998
The Chicago Cubs signed David Manning as a free agent.
The Detroit Tigers signed Luis Pineda as a free agent.
- December 30, 1998
The Los Angeles Dodgers signed Pedro Borbón as a free agent.
The Seattle Mariners signed John Mabry as a free agent.
- December 31, 1998
The St. Louis Cardinals signed Thomas Howard as a free agent.
- January 1, 1999
The Los Angeles Dodgers signed Matt Herges as a free agent.
- January 2, 1999
The Baltimore Orioles signed José Herrera as a free agent.
- January 3, 1999
The Texas Rangers signed P.J. Forbes as a free agent.
The Texas Rangers signed Brady Raggio as a free agent.
- January 4, 1999
The Seattle Mariners signed Paul Abbott as a free agent.
The Cleveland Indians signed Jim Brower as a free agent.
The San Francisco Giants signed Osvaldo Fernández as a free agent.
The Oakland Athletics signed Kevin Jarvis as a free agent.
The Minnesota Twins signed Terry Steinbach as a free agent.
The Chicago Cubs signed Derrick White as a free agent.
The Los Angeles Dodgers signed Chin-Feng Chen as an amateur free agent.
- January 5, 1999
The Boston Red Sox signed Rheal Cormier as a free agent.
The Boston Red Sox signed Kip Gross as a free agent.
The Cleveland Indians signed Jeff Manto as a free agent.
The Cleveland Indians signed Dave Telgheder as a free agent.
The Cleveland Indians signed Chris Turner as a free agent.
- January 6, 1999
The Los Angeles Dodgers signed Jamie Arnold as a free agent.
The Toronto Blue Jays signed Wayne Kirby as a free agent.
The Pittsburgh Pirates signed Jason Simontacchi as a free agent.
The Pittsburgh Pirates purchased Jeff Sparks from Winnipeg (Northern).
The Cincinnati Reds traded Pat Watkins to the Florida Marlins for Pablo Minaya (minors).
- January 7, 1999
The Texas Rangers signed Tony Fossas as a free agent.
The Oakland Athletics signed Marc Newfield as a free agent.
The Oakland Athletics released Agustín Montero.
The Montreal Expos selected Roberto Durán off waivers from the Detroit Tigers.
- January 8, 1999
The Oakland Athletics signed Mike Oquist as a free agent.
The Seattle Mariners signed Bill Swift as a free agent.
The San Francisco Giants selected Steve Connelly off waivers from the Boston Red Sox.
- January 11, 1999
The Milwaukee Brewers signed Rich Becker as a free agent.
The Los Angeles Dodgers signed Dave Hansen as a free agent.
The Cincinnati Reds signed Brian Johnson as a free agent.
The Oakland Athletics signed Doug Jones as a free agent.
The Los Angeles Dodgers signed Tim Laker as a free agent.
The Chicago Cubs signed Bry Nelson as a free agent.
The Boston Red Sox signed Pat Rapp as a free agent.
The Toronto Blue Jays signed Francisco Rosario as an amateur free agent.
The Los Angeles Dodgers released Doug Bochtler.
- January 12, 1999
The St. Louis Cardinals signed Darren Bragg as a free agent.
The Los Angeles Dodgers signed Greg Cadaret as a free agent.
The Arizona Diamondbacks signed Frank Castillo as a free agent.
The Anaheim Angels signed Matt Luke as a free agent.
The Texas Rangers signed Mike Munoz as a free agent.
The Boston Red Sox signed Pedro Valdés as a free agent.
The Houston Astros signed Wandy Rodríguez as an amateur free agent.
The Chicago White Sox traded Joe Sutton (minors) to the Los Angeles Dodgers for Darren Hall.
- January 13, 1999
The Tampa Bay Devil Rays signed Billy Ashley as a free agent.
The Montreal Expos signed Darron Cox as a free agent.
The St. Louis Cardinals signed Marcus Jensen as a free agent.
The Texas Rangers signed John Marzano as a free agent.
The Montreal Expos signed Derrick May as a free agent.
- January 14, 1999
The Los Angeles Dodgers signed Brent Cookson as a free agent.
The Kansas City Royals signed Terry Mathews as a free agent.
The Kansas City Royals signed Allen McDill as a free agent.
The Cincinnati Reds signed Hal Morris as a free agent.
The Detroit Tigers traded Mark Persails (minors), Carlos Villalobos (minors), Paul Bako, Dean Crow and Brian Powell to the Houston Astros for Brad Ausmus and C.J. Nitkowski.
- January 15, 1999
The Houston Astros signed Robert Ellis as a free agent.
The Pittsburgh Pirates signed Gus Gandarillas as a free agent.
The Los Angeles Dodgers signed Ricardo Jordan as a free agent.
The San Francisco Giants signed Jalal Leach as a free agent.
The Los Angeles Dodgers signed Scott Livingstone as a free agent.
The St. Louis Cardinals signed Mike Mohler as a free agent.
The Anaheim Angels signed Luis Rivera as a free agent.
The Baltimore Orioles signed Heathcliff Slocumb as a free agent.
- January 17, 1999
The San Francisco Giants signed Scott Servais as a free agent.
- January 18, 1999
The Toronto Blue Jays signed Joey Cora as a free agent.
The Texas Rangers signed Joe Hudson as a free agent.
The Los Angeles Dodgers signed Héctor Ortiz as a free agent.
The Pittsburgh Pirates signed Todd Van Poppel as a free agent.
The Oakland Athletics signed Luis Jiménez as an amateur free agent.
- January 19, 1999
The Toronto Blue Jays signed Willie Greene as a free agent.
The Toronto Blue Jays signed Vicente Palacios as a free agent.
The Houston Astros signed Ryan Thompson as a free agent.
The New York Mets signed Allen Watson as a free agent.
- January 20, 1999
The Tampa Bay Devil Rays signed Norm Charlton as a free agent.
The Tampa Bay Devil Rays signed Steve Cooke as a free agent.
The Tampa Bay Devil Rays signed Steve Ontiveros as a free agent.
The Los Angeles Dodgers signed Chance Sanford as a free agent.
The Atlanta Braves signed Everett Stull as a free agent.
The Tampa Bay Devil Rays signed Marc Valdes as a free agent.
The Tampa Bay Devil Rays signed Bobby Witt as a free agent.
- January 21, 1999
The Houston Astros signed Alex Diaz as a free agent.
The Houston Astros signed Randy Knorr as a free agent.
The Houston Astros signed Jeff McCurry as a free agent.
The Houston Astros signed Bob Scanlan as a free agent.
The Houston Astros signed Brian Williams as a free agent.
The Cincinnati Reds signed Ray Olmedo as an amateur free agent.
- January 22, 1999
The Oakland Athletics signed Jeff Ball as a free agent.
The Los Angeles Dodgers signed Chris Haney as a free agent.
The Arizona Diamondbacks signed Ken Huckaby as a free agent.
- January 25, 1999
The Philadelphia Phillies signed Billy McMillon as a free agent.
The Anaheim Angels signed Chris Michalak as a free agent.
The Anaheim Angels signed Steve Mintz as a free agent.
The Kansas City Royals signed Steve Scarsone as a free agent.
The Kansas City Royals signed Tony Tarasco as a free agent.
- January 26, 1999
The Chicago White Sox signed John Cangelosi as a free agent.
The New York Yankees signed Jason Grimsley as a free agent.
The Chicago White Sox signed Darrin Jackson as a free agent.
The Texas Rangers signed Mike Morgan as a free agent.
The Oakland Athletics signed Tim Raines as a free agent.
The Cleveland Indians signed Dave Stevens as a free agent.
The Seattle Mariners released Tarrik Brock.
The New York Yankees released Alberto Castillo.
- January 27, 1999
The Milwaukee Brewers signed Jim Abbott as a free agent.
The St. Louis Cardinals signed Carlos Baerga as a free agent.
The Anaheim Angels signed Mike Magnante as a free agent.
The Minnesota Twins signed Bob Wells as a free agent.
- January 28, 1999
The Kansas City Royals signed Jamie Walker as a free agent.
- January 29, 1999
The Chicago Cubs signed Doug Creek as a free agent.
The Florida Marlins signed Dennis Springer as a free agent.
- January 31, 1999
The Chicago Cubs signed Renyel Pinto as an amateur free agent.
- February 1, 1999
The San Diego Padres signed Chris Jones as a free agent.
The Florida Marlins traded Todd Noel (minors), Mark Johnson and Ed Yarnall to the New York Yankees for Mike Lowell.
- February 2, 1999
The Los Angeles Dodgers signed Shawn Gilbert as a free agent.
The Philadelphia Phillies signed Joe Grahe as a free agent.
The Montreal Expos signed Mike Maddux as a free agent.
The Cincinnati Reds signed Rusty Meacham as a free agent.
The New York Mets signed Melvin Mora as a free agent.
The Cleveland Indians signed Héctor Luna as an amateur free agent.
The Arizona Diamondbacks signed Beltrán Pérez as an amateur free agent.
The Cincinnati Reds traded Josh Harris (minors), Damian Jackson and Reggie Sanders to the San Diego Padres for Mark Sweeney and Greg Vaughn.
- February 3, 1999
The Baltimore Orioles signed Esteban Beltré as a free agent.
The Cleveland Indians signed Jamie Brewington as a free agent.
The Cleveland Indians signed Wil Cordero as a free agent.
The Tampa Bay Devil Rays signed Joe Oliver as a free agent.
The Cleveland Indians signed Bill Selby as a free agent.
The Cleveland Indians signed Paul Wagner as a free agent.
The Boston Red Sox signed Tim Young as a free agent.
- February 4, 1999
The Baltimore Orioles signed Mike Fetters as a free agent.
The Boston Red Sox signed Chad Fonville as a free agent.
The San Diego Padres signed Carlos Reyes as a free agent.
The Cincinnati Reds traded Mark Corey to the New York Mets for Ralph Milliard.
- February 5, 1999
The New York Yankees signed Jeff Juden as a free agent.
The Baltimore Orioles signed Calvin Maduro as a free agent.
- February 8, 1999
The Colorado Rockies signed Pete Walker as a free agent.
- February 9, 1999
The Cincinnati Reds signed Rick Greene as a free agent.
The Toronto Blue Jays released Pat Lennon.
The Chicago White Sox traded John Ambrose (minors) to the St. Louis Cardinals for Sean Lowe.
- February 10, 1999
The Montreal Expos signed Orlando Merced as a free agent.
- February 16, 1999
The Chicago White Sox signed Alberto Castillo as a free agent.
The Detroit Tigers signed Robinson Checo as a free agent.
The St. Louis Cardinals signed Shawon Dunston as a free agent.
The St. Louis Cardinals signed Eduardo Pérez as a free agent.
The Minnesota Twins signed Bobby Kielty as an amateur free agent.
- February 17, 1999
The Oakland Athletics signed John Jaha as a free agent.
- February 18, 1999
The Arizona Diamondbacks signed Dale Sveum as a free agent.
The New York Yankees traded Homer Bush, Graeme Lloyd and David Wells to the Toronto Blue Jays for Roger Clemens.
- February 19, 1999
The Tampa Bay Devil Rays signed Julio Franco as a free agent.
The Arizona Diamondbacks signed Byung-Hyun Kim as an amateur free agent.
- February 20, 1999
The Cleveland Indians signed Orel Hershiser as a free agent.
The Pittsburgh Pirates signed Pat Meares as a free agent.
- February 23, 1999
The Atlanta Braves signed Brian Hunter as a free agent.
The Tampa Bay Devil Rays signed Joe Strong as a free agent.
- February 24, 1999
The Kansas City Royals signed Curtis Pride as a free agent.
- February 25, 1999
The Anaheim Angels signed Joel Peralta as a free agent.
The Arizona Diamondbacks traded a player to be named later and Paul Weichard (minors) to the Pittsburgh Pirates for Tony Womack. The Arizona Diamondbacks sent Jason Boyd (August 25, 1999) to the Pittsburgh Pirates to complete the trade.
- February 26, 1999
The Cleveland Indians signed Pat Borders as a free agent.
- February 28, 1999
The Boston Red Sox signed Rich Garcés as a free agent.
The Toronto Blue Jays signed Pat Lennon as a free agent.
Free agent signing of Wily Mo Peña by the New York Mets voided.
- March 1, 1999
The Kansas City Royals signed Johnny Ruffin as a free agent.
The New York Yankees signed B.J. Waszgis as a free agent.
- March 2, 1999
The Seattle Mariners signed Chris Snelling as an amateur free agent.
- March 4, 1999
The San Francisco Giants signed Chad Zerbe as a free agent.
The Chicago Cubs signed Hee-Seop Choi as an amateur free agent.
The Kansas City Royals signed Ángel Guzmán as an amateur free agent.
The San Diego Padres signed Óliver Pérez as an amateur free agent.
The Kansas City Royals released Curtis Pride.
- March 5, 1999
The Los Angeles Dodgers signed Jacob Brumfield as a free agent.
- March 6, 1999
The Los Angeles Dodgers signed Jim Bullinger as a free agent.
The Los Angeles Dodgers signed Rick Wilkins as a free agent.
- March 11, 1999
The Boston Red Sox signed Ramón Martínez as a free agent.
The Baltimore Orioles signed Eddy Rodriguez as an amateur free agent.
The Cincinnati Reds released Joey Eischen.
- March 12, 1999
The Seattle Mariners signed Ozzie Timmons as a free agent.
The Kansas City Royals released Allen McDill.
- March 14, 1999
The Toronto Blue Jays signed Norberto Martin as a free agent.
- March 15, 1999
The Cincinnati Reds signed Brendan Donnelly as a free agent.
The Baltimore Orioles signed Daniel Cabrera as an amateur free agent.
- March 17, 1999
The Texas Rangers signed Allen McDill as a free agent.
The St. Louis Cardinals released Carlos Baerga.
The Toronto Blue Jays released Felipe Crespo.
- March 18, 1999
The Arizona Diamondbacks signed Joey Eischen as a free agent.
The Kansas City Royals released Tony Tarasco.
- March 19, 1999
The Philadelphia Phillies signed Clemente Álvarez as a free agent.
The San Diego Padres signed José Mercedes as a free agent.
The Detroit Tigers released Alejandro Freire.
- March 20, 1999
The Montreal Expos signed Guillermo Mota as a free agent.
Fukuoka Daiei Hawks (Japan Pacific) purchased Melvin Nieves from the Minnesota Twins.
The Anaheim Angels released Reid Cornelius.
- March 21, 1999
The Toronto Blue Jays released Vicente Palacios.
- March 23, 1999
The Cincinnati Reds signed Carlos Baerga as a free agent.
The Cincinnati Reds signed Keith Glauber as a free agent.
The Cleveland Indians released Joe Horgan.
The Kansas City Royals traded Shane Halter to the New York Mets for Jonathan Guzman (minors).
- March 24, 1999
The Texas Rangers released Tony Fossas.
The Detroit Tigers selected Jason Maxwell off waivers from the Chicago Cubs.
- March 25, 1999
The Houston Astros sent Marc Ronan to the Philadelphia Phillies as part of a conditional deal.
The New York Yankees signed Tony Fossas as a free agent.
The Boston Red Sox traded Pat Flury (minors) to the Cincinnati Reds for Jon Nunnally.
The Chicago White Sox traded Jake Meyer (minors) to the Cincinnati Reds for Brook Fordyce.
The Cleveland Indians released Orel Hershiser.
The New York Mets signed Orel Hershiser as a free agent.
- March 26, 1999
The New York Yankees signed Tony Tarasco as a free agent.
The New York Mets released Hideo Nomo.
The Los Angeles Dodgers traded Tim Laker to the Pittsburgh Pirates for a player to be named later. The Pittsburgh Pirates sent Jason Ryan (June 1, 2001) to the Los Angeles Dodgers to complete the trade.
- March 27, 1999
The Cleveland Indians signed Cameron Cairncross as a free agent.
The Pittsburgh Pirates released Rafael Bournigal.
The Arizona Diamondbacks released Frank Castillo.
The Kansas City Royals released Johnny Ruffin.
- March 28, 1999
The New York Mets purchased Juan Cerros from Reynosa (Mexican).
The Chicago White Sox released Alberto Castillo.
The Chicago Cubs traded John Cotton (minors) and Kevin Rawitzer (minors) to the Colorado Rockies for a player to be named later. The Colorado Rockies sent Tarrik Brock (July 7, 1999) to the Chicago Cubs to complete the trade.
- March 29, 1999
The Cleveland Indians sent Mike Glavine to the Atlanta Braves as part of a conditional deal.
The Pittsburgh Pirates signed D.J. Carrasco as a free agent.
The San Diego Padres released Chris Jones.
The Kansas City Royals released Joe Roa.
The Houston Astros released Óscar Robles.
The Baltimore Orioles traded a player to be named later and Danny Clyburn to the Tampa Bay Devil Rays for Jason Johnson. The Baltimore Orioles sent Bolivar Volquez (minors) (April 22, 1999) to the Tampa Bay Devil Rays to complete the trade.
The Anaheim Angels traded Keith Volkman (minors) and Phil Nevin to the San Diego Padres for Gus Kennedy (minors) and Andy Sheets.
The Florida Marlins traded Pat Watkins to the Colorado Rockies for a player to be named later. The Colorado Rockies sent Kevin Gordon (minors) (July 16, 1999) to the Florida Marlins to complete the trade.
The Chicago Cubs selected Curtis Goodwin off waivers from the Colorado Rockies.
- March 30, 1999
The Texas Rangers signed Rafael Bournigal as a free agent.
The Chicago White Sox released John Cangelosi.
The Boston Red Sox released Midre Cummings.
The Anaheim Angels released Rich DeLucia.
The Chicago Cubs released Marc Pisciotta.
The Arizona Diamondbacks released Aaron Small.
The Kansas City Royals traded a player to be named later and cash to the Oakland Athletics for Jay Witasick. The Kansas City Royals sent Scott Chiasson (June 10, 1999) to the Oakland Athletics to complete the trade.
The Anaheim Angels traded Dave Hollins and cash to the Toronto Blue Jays for Tomás Pérez.
The Arizona Diamondbacks traded Ben Ford and Izzy Molina to the New York Yankees for Darren Holmes and cash.
The Arizona Diamondbacks traded Clint Sodowsky to the St. Louis Cardinals for John Frascatore.
The Oakland Athletics selected Ron Mahay off waivers from the Boston Red Sox.
- March 31, 1999
The Chicago Cubs purchased Dan Serafini from the Minnesota Twins.
The New York Yankees released Jim Bruske.
The Pittsburgh Pirates released Elmer Dessens.
The Oakland Athletics released Mark Holzemer.
The Tampa Bay Devil Rays released Mike Kelly.
The San Diego Padres released Mark Langston.
The Tampa Bay Devil Rays released Steve Ontiveros.
The Chicago Cubs selected Brad Woodall off waivers from the Milwaukee Brewers.
- April 1, 1999
The Toronto Blue Jays signed Doug Bochtler as a free agent.
The Detroit Tigers signed Alejandro Freire as a free agent.
The New York Yankees released Tony Fossas.
The Los Angeles Dodgers released Chris Haney.
The Toronto Blue Jays released Walt McKeel.
The Florida Marlins traded Justin Speier to the Atlanta Braves for a player to be named later. The Atlanta Braves sent Matt Targac (minors) (June 11, 1999) to the Florida Marlins to complete the trade.
The transaction information used here was obtained free of charge from and is copyrighted by RetroSheet. We attempt to update transactions throughout the season.
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