All Transactions
Transactions listed are from November 1 of previous year to April 1 of the following year.
- November 1, 1990
The San Diego Padres signed Tim Scott as a free agent.
The Montreal Expos released Scott Anderson.
- November 2, 1990
The Milwaukee Brewers signed Rick Wrona as a free agent.
- November 5, 1990
The Seattle Mariners signed Matt Sinatro as a free agent.
Juan Agosto of the Houston Astros granted free agency.
Wally Backman of the Pittsburgh Pirates granted free agency.
Doug Bair of the Pittsburgh Pirates granted free agency.
George Bell of the Toronto Blue Jays granted free agency.
Rafael Belliard of the Pittsburgh Pirates granted free agency.
Bud Black of the Toronto Blue Jays granted free agency.
Mike Boddicker of the Boston Red Sox granted free agency.
Bob Boone of the Kansas City Royals granted free agency.
Phil Bradley of the Chicago White Sox granted free agency.
Sid Bream of the Pittsburgh Pirates granted free agency.
Tom Brookens of the Cleveland Indians granted free agency.
Tom Browning of the Cincinnati Reds granted free agency.
Randy Bush of the Minnesota Twins granted free agency.
John Candelaria of the Toronto Blue Jays granted free agency.
Don Carman of the Philadelphia Phillies granted free agency.
Gary Carter of the San Francisco Giants granted free agency.
Vince Coleman of the St. Louis Cardinals granted free agency.
Darnell Coles of the Detroit Tigers granted free agency.
Steve Crawford of the Kansas City Royals granted free agency.
Ken Dayley of the St. Louis Cardinals granted free agency.
Rob Deer of the Milwaukee Brewers granted free agency.
Rick Dempsey of the Los Angeles Dodgers granted free agency.
Bill Doran of the Cincinnati Reds granted free agency.
Brian Downing of the California Angels granted free agency.
Steve Farr of the Kansas City Royals granted free agency.
Rich Gedman of the Houston Astros granted free agency.
Kirk Gibson of the Los Angeles Dodgers granted free agency.
Ken Griffey of the Seattle Mariners granted free agency.
Kevin Gross of the Montreal Expos granted free agency.
Ron Hassey of the Oakland Athletics granted free agency.
Mickey Hatcher of the Los Angeles Dodgers granted free agency.
Danny Heep of the Boston Red Sox granted free agency.
Teddy Higuera of the Milwaukee Brewers granted free agency.
Charlie Hough of the Texas Rangers granted free agency.
Danny Jackson of the Cincinnati Reds granted free agency.
Steve Jeltz of the Kansas City Royals granted free agency.
Bill Krueger of the Milwaukee Brewers granted free agency.
Tim Leary of the New York Yankees granted free agency.
Fred Lynn of the San Diego Padres granted free agency.
Rick Mahler of the Cincinnati Reds granted free agency.
Candy Maldonado of the Cleveland Indians granted free agency.
Andy McGaffigan of the Kansas City Royals granted free agency.
Willie McGee of the Oakland Athletics granted free agency.
Craig McMurtry of the Texas Rangers granted free agency.
Greg Minton of the California Angels granted free agency.
Paul Mirabella of the Milwaukee Brewers granted free agency.
John Moses of the Minnesota Twins granted free agency.
Rance Mulliniks of the Toronto Blue Jays granted free agency.
Tom Niedenfuer of the St. Louis Cardinals granted free agency.
Ed Núñez of the Detroit Tigers granted free agency.
Ron Oester of the Cincinnati Reds granted free agency.
Mike Pagliarulo of the San Diego Padres granted free agency.
Terry Pendleton of the St. Louis Cardinals granted free agency.
Gerald Perry of the Kansas City Royals granted free agency.
Dan Petry of the Detroit Tigers granted free agency.
Ken Phelps of the Cleveland Indians granted free agency.
Ted Power of the Pittsburgh Pirates granted free agency.
Jim Presley of the Atlanta Braves granted free agency.
Joe Price of the Baltimore Orioles granted free agency.
Terry Puhl of the Houston Astros granted free agency.
Willie Randolph of the Oakland Athletics granted free agency.
Dennis Rasmussen of the San Diego Padres granted free agency.
Gary Redus of the Pittsburgh Pirates granted free agency.
Jerry Reuss of the Pittsburgh Pirates granted free agency.
R.J. Reynolds of the Pittsburgh Pirates granted free agency.
Dave Righetti of the New York Yankees granted free agency.
Jeff Robinson of the New York Yankees granted free agency.
Juan Samuel of the Los Angeles Dodgers granted free agency.
Scott Sanderson of the Oakland Athletics granted free agency.
Dan Schatzeder of the New York Mets granted free agency.
Dave Schmidt of the Montreal Expos granted free agency.
Larry Sheets of the Detroit Tigers granted free agency.
John Shelby of the Detroit Tigers granted free agency.
Eric Show of the San Diego Padres granted free agency.
Don Slaught of the Pittsburgh Pirates granted free agency.
Zane Smith of the Pittsburgh Pirates granted free agency.
Darryl Strawberry of the New York Mets granted free agency.
Franklin Stubbs of the Houston Astros granted free agency.
Pat Tabler of the New York Mets granted free agency.
Mickey Tettleton of the Baltimore Orioles granted free agency.
Mark Thurmond of the San Francisco Giants granted free agency.
John Tudor of the St. Louis Cardinals granted free agency.
Fernando Valenzuela of the Los Angeles Dodgers granted free agency.
Max Venable of the California Angels granted free agency.
Denny Walling of the St. Louis Cardinals granted free agency.
Gary Ward of the Detroit Tigers granted free agency.
Bob Welch of the Oakland Athletics granted free agency.
Frank White of the Kansas City Royals granted free agency.
Glenn Wilson of the Houston Astros granted free agency.
Willie Wilson of the Kansas City Royals granted free agency.
Matt Young of the Seattle Mariners granted free agency.
The California Angels released Donnie Hill.
The Oakland Athletics released Jamie Quirk.
- November 6, 1990
The Cincinnati Reds signed Dave Liddell as a free agent.
The Atlanta Braves traded Nate Cromwell (minors) to the Toronto Blue Jays for Earl Sanders (minors).
The Cleveland Indians traded Alex Sanchez to the Toronto Blue Jays for Willie Blair.
- November 7, 1990
Danny Darwin of the Houston Astros granted free agency.
Gary Gaetti of the Minnesota Twins granted free agency.
- November 8, 1990
The Los Angeles Dodgers signed Darryl Strawberry as a free agent.
- November 9, 1990
The San Francisco Giants signed Bud Black as a free agent.
The Montreal Expos traded John Costello to the San Diego Padres for Brian Harrison (minors).
- November 11, 1990
The San Diego Padres signed Cameron Cairncross as an amateur free agent.
- November 13, 1990
The Seattle Mariners signed Giomar Guevara as an amateur free agent.
The Atlanta Braves released Marty Clary.
The Atlanta Braves released Dwayne Henry.
The New York Mets released Keith Hughes.
The New York Mets released Chris Jelic.
The Texas Rangers released Jamie Moyer.
- November 15, 1990
The Montreal Expos signed Scott Service as a free agent.
The Seattle Mariners signed Steve Springer as a free agent.
Gary Mielke of the Texas Rangers granted free agency.
Mike Stanley of the Texas Rangers granted free agency.
- November 16, 1990
The Baltimore Orioles signed Chito Martínez as a free agent.
Pat Perry of the Los Angeles Dodgers granted free agency.
- November 19, 1990
The Detroit Tigers signed Dan Gakeler as a free agent.
The New York Yankees signed Tim Leary as a free agent.
The New York Yankees released Brian Dorsett.
The Boston Red Sox traded a player to be named later, Ed Perozo (minors) and Greg Hansell to the New York Mets for Mike Marshall. The Boston Red Sox sent Paul Williams (minors) (November 19, 1990) to the New York Mets to complete the trade.
- November 20, 1990
The Pittsburgh Pirates signed Kevin Blankenship as a free agent.
Pat Clements of the San Diego Padres granted free agency.
Gary Eave of the San Francisco Giants granted free agency.
The Boston Red Sox released Jeff Stone.
- November 21, 1990
The Kansas City Royals signed Mike Boddicker as a free agent.
The Cincinnati Reds signed Tom Browning as a free agent.
The Chicago Cubs signed Danny Jackson as a free agent.
The New York Yankees signed Rubén Rivera as an amateur free agent.
The Atlanta Braves signed Esteban Yan as an amateur free agent.
- November 23, 1990
The Detroit Tigers signed Rob Deer as a free agent.
- November 25, 1990
The Seattle Mariners signed Rich Amaral as a free agent.
The Cleveland Indians signed José Escobar as a free agent.
- November 26, 1990
The Toronto Blue Jays signed Ken Dayley as a free agent.
The New York Yankees signed Steve Farr as a free agent.
The San Francisco Giants signed José Segura as a free agent.
The Detroit Tigers signed John Shelby as a free agent.
- November 28, 1990
The Oakland Athletics signed Jamie Quirk as a free agent.
- November 30, 1990
The Chicago White Sox released Jerry Willard.
- December, 1990
The Detroit Tigers signed Johnny Paredes as a free agent.
- December 1, 1990
The Kansas City Royals signed Kirk Gibson as a free agent.
- December 2, 1990
Alex Treviño of the Cincinnati Reds granted free agency.
Fukuoka Daiei Hawks (Japan Pacific) purchased Eddie Williams from the San Diego Padres.
The Minnesota Twins released Roy Smith.
The California Angels traded Willie Fraser, Marcus Moore and Devon White to the Toronto Blue Jays for a player to be named later, Junior Félix and Luis Sojo. The Toronto Blue Jays sent Ken Rivers (minors) (December 4, 1990) to the California Angels to complete the trade.
- December 3, 1990
The Minnesota Twins drafted Pat Howell from the New York Mets in the 1990 rule 5 draft.
The Cleveland Indians drafted Mike Huff from the Los Angeles Dodgers in the 1990 rule 5 draft.
The Montreal Expos drafted Greg McCarthy from the Philadelphia Phillies in the 1990 rule 5 draft.
The Montreal Expos drafted Nikco Riesgo from the Philadelphia Phillies in the 1990 rule 5 draft.
The San Diego Padres drafted Frank Seminara from the New York Yankees in the 1990 rule 5 draft.
The New York Mets drafted Doug Simons from the Minnesota Twins in the 1990 rule 5 draft.
The Oakland Athletics drafted Ed Taubensee from the Cincinnati Reds in the 1990 rule 5 draft.
The Houston Astros drafted Dean Wilkins from the Chicago Cubs in the 1990 rule 5 draft.
The Detroit Tigers drafted Buddy Groom from the Chicago White Sox in the 1990 minor league draft.
The Chicago Cubs drafted Russ McGinnis from the Oakland Athletics in the 1990 minor league draft.
The San Diego Padres drafted Craig Shipley from the New York Mets in the 1990 minor league draft.
The Los Angeles Dodgers signed Kevin Gross as a free agent.
The Detroit Tigers signed Bill Gullickson as a free agent.
The Cleveland Indians signed Wayne Kirby as a free agent.
The San Francisco Giants signed Willie McGee as a free agent.
The Atlanta Braves signed Terry Pendleton as a free agent.
The Oakland Athletics signed Willie Wilson as a free agent.
The Chicago Cubs released Kevin Coffman.
The Montreal Expos released Dale Mohorcic.
The Montreal Expos released Rolando Roomes.
The Kansas City Royals released Jeff Schulz.
The Baltimore Orioles released Mike Smith.
The New York Yankees traded Oscar Azócar to the San Diego Padres for a player to be named later. The San Diego Padres sent Mike Humphreys (February 7, 1991) to the New York Yankees to complete the trade.
- December 4, 1990
The Toronto Blue Jays signed Ravelo Manzanillo as a free agent.
The Toronto Blue Jays signed Rance Mulliniks as a free agent.
The Milwaukee Brewers signed Ed Núñez as a free agent.
The San Francisco Giants signed Dave Righetti as a free agent.
The Kansas City Royals signed Dan Schatzeder as a free agent.
The California Angels signed Ed Vosberg as a free agent.
The Boston Red Sox signed Matt Young as a free agent.
The Boston Red Sox released Billy Jo Robidoux.
The Baltimore Orioles traded Dave Gallagher to the California Angels for Mike Hook (minors) and Dave Martinez (minors).
The Chicago White Sox traded Shawn Hillegas and Eric King to the Cleveland Indians for Lindsay Foster (minors) and Cory Snyder.
The Oakland Athletics traded a player to be named later and Darren Lewis to the San Francisco Giants for Ernie Riles. The Oakland Athletics sent Pedro Pena (minors) (December 17, 1990) to the San Francisco Giants to complete the trade.
- December 5, 1990
The Detroit Tigers signed Tony Bernazard as a free agent.
The Atlanta Braves signed Sid Bream as a free agent.
The New York Mets signed Vince Coleman as a free agent.
The Cincinnati Reds signed Bill Doran as a free agent.
The Milwaukee Brewers signed Teddy Higuera as a free agent.
The Milwaukee Brewers signed Franklin Stubbs as a free agent.
The Toronto Blue Jays signed Pat Tabler as a free agent.
The Detroit Tigers released Mike Schwabe.
The Minnesota Twins traded a player to be named later and Johnny Ard (minors) to the San Francisco Giants for Steve Bedrosian. The Minnesota Twins sent Jimmy Williams (minors) (December 18, 1990) to the San Francisco Giants to complete the trade.
The San Diego Padres traded Roberto Alomar and Joe Carter to the Toronto Blue Jays for Tony Fernández and Fred McGriff.
- December 6, 1990
The Chicago Cubs signed George Bell as a free agent.
The Kansas City Royals signed Steve Crawford as a free agent.
The Baltimore Orioles signed Dwight Evans as a free agent.
The Pittsburgh Pirates signed Zane Smith as a free agent.
The California Angels signed Ron Tingley as a free agent.
The Milwaukee Brewers released Tony Fossas.
The Milwaukee Brewers released Gus Polidor.
- December 7, 1990
The California Angels signed Fred Manrique as a free agent.
Larry Andersen of the Boston Red Sox granted free agency.
Juan Berenguer of the Minnesota Twins granted free agency.
Brett Butler of the San Francisco Giants granted free agency.
Jack Clark of the San Diego Padres granted free agency.
Chili Davis of the California Angels granted free agency.
Mike Heath of the Detroit Tigers granted free agency.
Dave Henderson of the Oakland Athletics granted free agency.
Charlie Leibrandt of the Atlanta Braves granted free agency.
Jack Morris of the Detroit Tigers granted free agency.
Dave Smith of the Houston Astros granted free agency.
Mike Witt of the New York Yankees granted free agency.
- December 8, 1990
The Kansas City Royals signed Andy McGaffigan as a free agent.
- December 9, 1990
The New York Yankees signed Jim Walewander as a free agent.
- December 10, 1990
The Pittsburgh Pirates signed Gary Redus as a free agent.
The Oakland Athletics signed Eric Show as a free agent.
The Toronto Blue Jays signed Carlos Almánzar as an amateur free agent.
The Toronto Blue Jays signed Edwin Hurtado as an amateur free agent.
The Toronto Blue Jays signed Dilson Torres as an amateur free agent.
The Atlanta Braves traded Dennis Hood (minors) to the Seattle Mariners for Scott Taylor.
- December 11, 1990
The Oakland Athletics signed Dave Henderson as a free agent.
The Cincinnati Reds released Tim Birtsas.
- December 12, 1990
The California Angels signed Floyd Bannister as a free agent.
The Baltimore Orioles signed Todd Frohwirth as a free agent.
The Chicago White Sox signed Charlie Hough as a free agent.
The Minnesota Twins signed Carl Willis as a free agent.
The San Diego Padres traded Mark Parent to the Texas Rangers for Scott Coolbaugh.
- December 13, 1990
The St. Louis Cardinals signed Gerald Perry as a free agent.
The New York Mets signed Terry Puhl as a free agent.
The California Angels signed Max Venable as a free agent.
The Los Angeles Dodgers released Luis Lopez.
The Cleveland Indians released Mark McLemore.
- December 14, 1990
The St. Louis Cardinals signed Juan Agosto as a free agent.
The Los Angeles Dodgers signed Brett Butler as a free agent.
The Texas Rangers signed Mario Díaz as a free agent.
The Cincinnati Reds signed Ted Power as a free agent.
The Boston Red Sox released Marty Barrett.
The Chicago Cubs traded Greg Smith to the Los Angeles Dodgers for José Vizcaíno.
The Baltimore Orioles traded Mickey Weston to the Toronto Blue Jays for Paul Kilgus.
- December 15, 1990
The Boston Red Sox signed Jack Clark as a free agent.
The Oakland Athletics signed Bob Welch as a free agent.
Ron Kittle of the Baltimore Orioles granted free agency.
The Los Angeles Dodgers released Ray Searage.
The Los Angeles Dodgers traded Hubie Brooks to the New York Mets for Greg Hansell and Bob Ojeda.
The Boston Red Sox traded Wes Gardner to the San Diego Padres for Steve Hendricks (minors) and Brad Hoyer (minors).
- December 16, 1990
The Los Angeles Dodgers signed Juan Samuel as a free agent.
- December 17, 1990
The Philadelphia Phillies signed Danny Cox as a free agent.
The Seattle Mariners signed Ken Griffey as a free agent.
The Chicago Cubs signed Dave Smith as a free agent.
The Chicago Cubs released Randy Kramer.
- December 18, 1990
The Atlanta Braves signed Rafael Belliard as a free agent.
The Minnesota Twins signed Randy Bush as a free agent.
The Chicago Cubs released Bill Long.
- December 19, 1990
The Boston Red Sox signed Tom Brunansky as a free agent.
The Detroit Tigers signed Mike Dalton as a free agent.
The Boston Red Sox signed Danny Darwin as a free agent.
The Los Angeles Dodgers signed Mickey Hatcher as a free agent.
The California Angels signed Donnie Hill as a free agent.
The Seattle Mariners signed Bill Krueger as a free agent.
The Detroit Tigers signed Dan Petry as a free agent.
The Oakland Athletics signed Scott Sanderson as a free agent.
The Pittsburgh Pirates signed Don Slaught as a free agent.
The Baltimore Orioles signed Mickey Tettleton as a free agent.
The Los Angeles Dodgers signed Fernando Valenzuela as a free agent.
- December 20, 1990
The Milwaukee Brewers signed Mike Campbell as a free agent.
The Atlanta Braves signed Charlie Leibrandt as a free agent.
The Minnesota Twins signed Danny Sheaffer as a free agent.
Dann Bilardello of the Pittsburgh Pirates granted free agency.
John Cerutti of the Toronto Blue Jays granted free agency.
Jim Corsi of the Oakland Athletics granted free agency.
Tom Edens of the Milwaukee Brewers granted free agency.
Steve Howard of the Oakland Athletics granted free agency.
Lance McCullers of the Detroit Tigers granted free agency.
Jeff Musselman of the New York Mets granted free agency.
Dave Otto of the Oakland Athletics granted free agency.
Terry Wells of the Los Angeles Dodgers granted free agency.
The Oakland Athletics released Ozzie Canseco.
The California Angels released Johnny Ray.
The Los Angeles Dodgers traded Darren Holmes to the Milwaukee Brewers for Bert Heffernan.
The Pittsburgh Pirates selected Rosario Rodríguez off waivers from the Cincinnati Reds.
- December 21, 1990
The San Diego Padres signed Larry Andersen as a free agent.
The Pittsburgh Pirates signed Steve Fireovid as a free agent.
The Seattle Mariners signed Chuck Jackson as a free agent.
The Seattle Mariners signed Alonzo Powell as a free agent.
- December 22, 1990
The Pittsburgh Pirates signed Joe Redfield as a free agent.
- December 23, 1990
The Chicago White Sox traded Iván Calderón and Barry Jones to the Montreal Expos for a player to be named later, Jeff Carter and Tim Raines. The Montreal Expos sent Mario Brito (minors) (February 15, 1991) to the Chicago White Sox to complete the trade.
- December 30, 1990
The Los Angeles Dodgers traded Jim Poole and cash to the Texas Rangers for Steve Allen (minors) and Dave Lynch (minors).
- December 31, 1990
The New York Yankees purchased Scott Sanderson from the Oakland Athletics.
- Before 1991 Season
The Minnesota Twins signed Joey Meyer as a free agent.
- January 1, 1991
The Milwaukee Brewers signed Jeff Kaiser as a free agent.
The Baltimore Orioles signed Roy Smith as a free agent.
Esteban Beltré of the Montreal Expos granted free agency.
- January 2, 1991
The St. Louis Cardinals signed Alex Treviño as a free agent.
The New York Yankees signed Mike Witt as a free agent.
- January 3, 1991
The Montreal Expos signed Jeff Fassero as a free agent.
- January 5, 1991
The Houston Astros signed Mike Capel as a free agent.
- January 7, 1991
The New York Yankees signed Keith Hughes as a free agent.
The Oakland Athletics signed Vance Law as a free agent.
The Montreal Expos signed Tony Menéndez as a free agent.
- January 8, 1991
The San Diego Padres signed Marty Barrett as a free agent.
The Texas Rangers signed Craig McMurtry as a free agent.
The Chicago White Sox signed Rob Nelson as a free agent.
- January 9, 1991
The St. Louis Cardinals signed Jamie Moyer as a free agent.
The San Diego Padres signed Dennis Rasmussen as a free agent.
The Pittsburgh Pirates signed Curt Wilkerson as a free agent.
- January 10, 1991
The Philadelphia Phillies signed Wally Backman as a free agent.
The Philadelphia Phillies signed John Morris as a free agent.
The Cincinnati Reds signed Gus Polidor as a free agent.
The New York Mets signed Kelvin Torve as a free agent.
The Pittsburgh Pirates signed Eddie Zambrano as a free agent.
The Kansas City Royals signed Carlos Méndez as an amateur free agent.
The Baltimore Orioles traded Steve Finley, Pete Harnisch and Curt Schilling to the Houston Astros for Glenn Davis.
- January 11, 1991
The Philadelphia Phillies signed Jim Lindeman as a free agent.
The Cleveland Indians signed Luis Lopez as a free agent.
The Cleveland Indians signed Mitch Lyden as a free agent.
The Baltimore Orioles traded Mickey Tettleton to the Detroit Tigers for Jeff Robinson.
- January 13, 1991
The Atlanta Braves signed William Brennan as a free agent.
The Kansas City Royals signed Kevin Koslofski as a free agent.
The New York Yankees released Rick Cerone.
- January 14, 1991
The Detroit Tigers signed John Cerutti as a free agent.
The Minnesota Twins signed Tom Edens as a free agent.
The Oakland Athletics signed Webster Garrison as a free agent.
- January 15, 1991
The California Angels signed Chris Beasley as a free agent.
The San Diego Padres signed Dann Bilardello as a free agent.
The San Diego Padres signed Brian Dorsett as a free agent.
The Los Angeles Dodgers traded Kevin Campbell to the Oakland Athletics for Dave Veres.
The Baltimore Orioles traded Rene Gonzales to the Toronto Blue Jays for Rob Blumberg (minors).
- January 16, 1991
The Cleveland Indians signed Dave Otto as a free agent.
The Cleveland Indians traded Troy Neel to the Oakland Athletics for Larry Arndt.
- January 17, 1991
The California Angels signed Jeff Robinson as a free agent.
- January 18, 1991
The Kansas City Royals signed Andy Allanson as a free agent.
- January 19, 1991
The Atlanta Braves signed Jerry Willard as a free agent.
- January 20, 1991
The Cleveland Indians signed Ron Kittle as a free agent.
The San Diego Padres signed Melvin Rosario as an amateur free agent.
- January 21, 1991
The Detroit Tigers signed Skeeter Barnes as a free agent.
The New York Mets signed Rick Cerone as a free agent.
The Kansas City Royals signed Greg Mathews as a free agent.
The Chicago Cubs signed Scott May as a free agent.
The Kansas City Royals signed Paul Zuvella as a free agent.
The Detroit Tigers traded Dave Richards (minors) to the Seattle Mariners for Todd Haney.
- January 22, 1991
The Houston Astros signed Jay Baller as a free agent.
The Atlanta Braves signed Mike Heath as a free agent.
The Atlanta Braves signed Randy Kramer as a free agent.
The New York Mets signed Rich Sauveur as a free agent.
- January 23, 1991
The Boston Red Sox signed Mike Brumley as a free agent.
The Boston Red Sox signed Tony Fossas as a free agent.
The California Angels signed Gary Gaetti as a free agent.
- January 24, 1991
The New York Yankees signed Pat Sheridan as a free agent.
- January 25, 1991
The Texas Rangers signed Rich Gossage as a free agent.
The Oakland Athletics signed Brad Komminsk as a free agent.
The Minnesota Twins signed Mike Pagliarulo as a free agent.
The Pittsburgh Pirates signed Jeff Schulz as a free agent.
The Atlanta Braves signed Doug Sisk as a free agent.
- January 27, 1991
The Chicago White Sox signed Chris Howard as a free agent.
- January 28, 1991
The Pittsburgh Pirates signed Greg Tubbs as a free agent.
The San Diego Padres signed Kevin Ward as a free agent.
- January 29, 1991
The Atlanta Braves signed Juan Berenguer as a free agent.
The Minnesota Twins signed Chili Davis as a free agent.
- January 30, 1991
The Atlanta Braves signed Deion Sanders as a free agent.
- January 31, 1991
The Montreal Expos signed Bill Long as a free agent.
- February 1, 1991
The Boston Red Sox signed John Moses as a free agent.
The Atlanta Braves signed Yorkis Pérez as a free agent.
The Texas Rangers signed John Russell as a free agent.
The Atlanta Braves released Gerónimo Berroa.
- February 4, 1991
The Pittsburgh Pirates signed Mark Huismann as a free agent.
The Texas Rangers signed Mike Stanley as a free agent.
- February 5, 1991
The Minnesota Twins signed Jack Morris as a free agent.
- February 6, 1991
The Houston Astros signed Don Carman as a free agent.
- February 7, 1991
The Boston Red Sox signed Tommy Barrett as a free agent.
The Baltimore Orioles signed Benny Distefano as a free agent.
- February 8, 1991
The San Diego Padres signed Jim Presley as a free agent.
The Atlanta Braves signed Tracy Woodson as a free agent.
The Oakland Athletics signed Tony Batista as an amateur free agent.
The San Diego Padres selected Jim Vatcher off waivers from the Atlanta Braves.
- February 9, 1991
The San Diego Padres signed Pat Clements as a free agent.
- February 11, 1991
The Pittsburgh Pirates signed Cecil Espy as a free agent.
- February 13, 1991
The Atlanta Braves signed Glenn Wilson as a free agent.
- February 14, 1991
The San Diego Padres released Matt Maysey.
- February 15, 1991
The St. Louis Cardinals signed Rich Gedman as a free agent.
The Montreal Expos signed Ron Hassey as a free agent.
- February 17, 1991
The New York Yankees released Dave LaPoint.
- February 19, 1991
The Baltimore Orioles signed Dennis Powell as a free agent.
The New York Mets signed Edgardo Alfonzo as an amateur free agent.
- February 20, 1991
The Seattle Mariners signed Shawn Barton as a free agent.
- February 21, 1991
The New York Yankees signed Steve Howe as a free agent.
- February 23, 1991
Carlos Martínez of the Chicago White Sox granted free agency.
- February 27, 1991
The Seattle Mariners signed Gerónimo Berroa as a free agent.
The Montreal Expos signed Rick Mahler as a free agent.
- March 2, 1991
The Montreal Expos signed Mike Davis as a free agent.
- March 3, 1991
The Los Angeles Dodgers signed Roger Cedeño as an amateur free agent.
- March 4, 1991
The California Angels signed Freddie Toliver as a free agent.
- March 6, 1991
The Houston Astros signed Mark McLemore as a free agent.
The Houston Astros signed José Tolentino as a free agent.
- March 9, 1991
The Atlanta Braves signed Randy St. Claire as a free agent.
- March 12, 1991
The Montreal Expos signed Matt Maysey as a free agent.
The Chicago White Sox signed Keith Shepherd as a free agent.
- March 14, 1991
The California Angels traded Dante Bichette to the Milwaukee Brewers for Dave Parker.
- March 15, 1991
The Detroit Tigers signed Rick Renteria as a free agent.
The New York Mets signed Rafael Roque as an amateur free agent.
The Detroit Tigers released Clay Parker.
- March 16, 1991
The Milwaukee Brewers signed Esteban Beltré as a free agent.
- March 18, 1991
The Chicago White Sox signed Ron Coomer as a free agent.
The Baltimore Orioles purchased Paul Carey from Miami (Florida State).
The Kansas City Royals released Bo Jackson.
- March 19, 1991
The Houston Astros signed Jim Corsi as a free agent.
The Houston Astros signed Jimmy Jones as a free agent.
The Detroit Tigers traded Torey Lovullo to the New York Yankees for Mark Leiter.
- March 21, 1991
The Pittsburgh Pirates signed Esteban Loaiza as an amateur free agent.
The Pittsburgh Pirates traded Tommy Shields to the Baltimore Orioles for a player to be named later. The Baltimore Orioles sent Tony Beasley (minors) (September 5, 1991) to the Pittsburgh Pirates to complete the trade.
The Seattle Mariners selected Alan Cockrell off waivers from the Cleveland Indians.
- March 22, 1991
The Montreal Expos released Drew Hall.
- March 25, 1991
The Los Angeles Dodgers signed John Candelaria as a free agent.
The San Diego Padres released Mike Dunne.
The Cleveland Indians released Sergio Valdez.
- March 26, 1991
The Los Angeles Dodgers signed Gary Carter as a free agent.
The Cleveland Indians released James Hurst.
The Kansas City Royals released Greg Mathews.
The San Diego Padres selected José Meléndez off waivers from the Seattle Mariners.
- March 27, 1991
The Montreal Expos released Danny Leon.
- March 28, 1991
The Cleveland Indians purchased Gerónimo Berroa from the Seattle Mariners.
The Atlanta Braves released Oddibe McDowell.
The Los Angeles Dodgers released Fernando Valenzuela.
- March 29, 1991
The Houston Astros signed Dwayne Henry as a free agent.
The Kansas City Royals released Brad Holman.
The Texas Rangers released Pete Incaviglia.
The Chicago Cubs traded Gary Varsho to the Pittsburgh Pirates for Steve Carter.
- March 30, 1991
The San Francisco Giants signed Darnell Coles as a free agent.
The San Diego Padres signed Mike Maddux as a free agent.
The Houston Astros signed Melvin Mora as an amateur free agent.
The Montreal Expos released Mike Aldrete.
The San Diego Padres released Calvin Schiraldi.
The Detroit Tigers traded Jim Baxter (minors) to the Kansas City Royals for Andy Allanson.
- March 31, 1991
The Boston Red Sox released John Moses.
The Chicago White Sox traded Adam Peterson and Steve Rosenberg to the San Diego Padres for Kevin Garner (minors), Joey Cora and Warren Newson.
The Baltimore Orioles traded Pete Rose Jr. to the Chicago White Sox for Joe Borowski.
- April 1, 1991
The New York Yankees released Steve Balboni.
The Milwaukee Brewers released Mike Campbell.
The Chicago Cubs released Dave Clark.
The Cleveland Indians released Ron Kittle.
The California Angels released Fred Manrique.
The Cincinnati Reds released Gus Polidor.
The New York Mets released Terry Puhl.
The California Angels released Rick Schu.
The Atlanta Braves released Andres Thomas.
The Milwaukee Brewers released Rick Wrona.
The Atlanta Braves traded a player to be named later and Jimmy Kremers to the Montreal Expos for Boi Rodriguez (minors) and Otis Nixon. The Atlanta Braves sent Keith Morrison (minors) (June 3, 1991) to the Montreal Expos to complete the trade.
The Boston Red Sox traded Rob Murphy to the Seattle Mariners for Mike Gardiner.
- April 2, 1991
The Milwaukee Brewers signed Rick Dempsey as a free agent.
The Baltimore Orioles signed Mike Flanagan as a free agent.
The Milwaukee Brewers signed Candy Maldonado as a free agent.
The Cleveland Indians signed Carlos Martínez as a free agent.
The Milwaukee Brewers signed Willie Randolph as a free agent.
The Houston Astros released Don Carman.
The Milwaukee Brewers released Mike Felder.
The Texas Rangers released José Guzmán.
The Baltimore Orioles released Kevin Hickey.
The Minnesota Twins released Nelson Liriano.
The Cleveland Indians released Mitch Lyden.
The Baltimore Orioles released Dennis Powell.
The Montreal Expos traded Terrel Hansen (minors) and Dave Sommer (minors) to the New York Mets for Alex Diaz and Darren Reed.
- April 3, 1991
The Milwaukee Brewers signed Brian Fisher as a free agent.
The Chicago White Sox signed Bo Jackson as a free agent.
The Cleveland Indians signed Sergio Valdez as a free agent.
The Boston Red Sox released Cecilio Guante.
The Chicago White Sox traded Willie Magallanes (minors) to the St. Louis Cardinals for Joe Hall.
- April 4, 1991
Dave Cochrane of the Seattle Mariners granted free agency.
The Detroit Tigers released Todd Haney.
The Cleveland Indians released Greg McMichael.
The Texas Rangers released Craig McMurtry.
The Cleveland Indians selected Ed Taubensee off waivers from the Oakland Athletics.
- April 5, 1991
The Minnesota Twins returned Pat Howell (earlier draft pick) to the New York Mets.
The San Diego Padres signed Mike Aldrete as a free agent.
The Kansas City Royals signed Warren Cromartie as a free agent.
The San Francisco Giants signed Mike Felder as a free agent.
The Atlanta Braves released William Brennan.
The Minnesota Twins released Mike Cook.
The Montreal Expos released Tony Menéndez.
The Milwaukee Brewers released Randy Veres.
The Minnesota Twins traded Joey Meyer to the Pittsburgh Pirates for Greg Sims (minors).
The Detroit Tigers selected Luis de los Santos off waivers from the Kansas City Royals.
The New York Yankees selected Scott Lusader off waivers from the Detroit Tigers.
- April 6, 1991
The California Angels signed Doug Davis as a free agent.
The California Angels signed Dave Leiper as a free agent.
The Seattle Mariners signed Dennis Powell as a free agent.
The Houston Astros released Jay Baller.
- April 7, 1991
The Chicago White Sox signed John Cangelosi as a free agent.
The Cincinnati Reds signed Don Carman as a free agent.
The Montreal Expos signed Todd Haney as a free agent.
The Seattle Mariners signed Brad Holman as a free agent.
The Detroit Tigers signed Pete Incaviglia as a free agent.
The Philadelphia Phillies signed Dave LaPoint as a free agent.
The Montreal Expos signed Dave Schmidt as a free agent.
The Texas Rangers signed Denny Walling as a free agent.
The Baltimore Orioles signed Ernie Whitt as a free agent.
The Chicago Cubs traded Mitch Williams to the Philadelphia Phillies for Chuck McElroy and Bob Scanlan.
- April 8, 1991
The Cleveland Indians signed Mike Birkbeck as a free agent.
The Seattle Mariners signed Dave Cochrane as a free agent.
The Texas Rangers signed José Guzmán as a free agent.
The Baltimore Orioles signed Kevin Hickey as a free agent.
- April 10, 1991
The Detroit Tigers signed Mitch Lyden as a free agent.
The Philadelphia Phillies signed Rick Schu as a free agent.
- April 11, 1991
The Detroit Tigers signed Danny Leon as a free agent.
- April 12, 1991
The Chicago White Sox signed Danny Heep as a free agent.
- April 13, 1991
The Texas Rangers signed Brian Downing as a free agent.
The Chicago White Sox released Steve Lyons.
- April 15, 1991
The Oakland Athletics signed Clay Parker as a free agent.
- April 16, 1991
The Atlanta Braves signed Greg McMichael as a free agent.
- April 17, 1991
The Baltimore Orioles signed Oddibe McDowell as a free agent.
The Houston Astros signed Calvin Schiraldi as a free agent.
- April 18, 1991
The Boston Red Sox signed Steve Lyons as a free agent.
The Boston Red Sox released Randy Kutcher.
- April 19, 1991
The Seattle Mariners signed Mike Cook as a free agent.
The Oakland Athletics signed Fred Manrique as a free agent.
- April 23, 1991
The Philadelphia Phillies released Dave LaPoint.
- April 24, 1991
The Houston Astros returned Dean Wilkins (earlier draft pick) to the Chicago Cubs.
The Chicago Cubs traded Dean Wilkins to the Houston Astros for Jeff Baldwin.
- April 25, 1991
The Kansas City Royals signed Terry Puhl as a free agent.
- April 29, 1991
The Kansas City Royals signed Dave Clark as a free agent.
The San Francisco Giants signed Craig McMurtry as a free agent.
- May 1, 1991
The Texas Rangers signed Mike Campbell as a free agent.
The Kansas City Royals signed Nelson Liriano as a free agent.
The Cleveland Indians signed John Moses as a free agent.
The Milwaukee Brewers signed Gus Polidor as a free agent.
- May 3, 1991
The Atlanta Braves signed Randy Veres as a free agent.
The Kansas City Royals traded Victor Cole to the Pittsburgh Pirates for Carmelo Martínez.
- May 5, 1991
The Chicago Cubs signed Alex Cabrera as an amateur free agent.
The Detroit Tigers released Danny Leon.
- May 6, 1991
The Atlanta Braves traded Kevin Castleberry (minors) to the Chicago White Sox for Danny Heep.
- May 7, 1991
The Detroit Tigers released Tony Bernazard.
- May 8, 1991
The Montreal Expos returned Nikco Riesgo (earlier draft pick) to the Philadelphia Phillies.
The Chicago Cubs signed Tom Filer as a free agent.
- May 9, 1991
The Milwaukee Brewers signed Dave LaPoint as a free agent.
The Detroit Tigers released Mark Ettles.
The New York Yankees released Andy Hawkins.
The Milwaukee Brewers released Jeff Kaiser.
The New York Mets selected Mark Dewey off waivers from the San Francisco Giants.
- May 10, 1991
The San Diego Padres released Mike Aldrete.
The Minnesota Twins released Carmelo Castillo.
- May 11, 1991
The California Angels released Ed Vosberg.
- May 13, 1991
The Texas Rangers signed Tony Menéndez as a free agent.
The Texas Rangers signed Rick Wrona as a free agent.
- May 14, 1991
The San Diego Padres signed Mark Ettles as a free agent.
- May 15, 1991
The Philadelphia Phillies signed Jay Baller as a free agent.
- May 16, 1991
The Toronto Blue Jays signed Freddy García as an amateur free agent.
The Toronto Blue Jays signed Julio Mosquera as an amateur free agent.
The Cleveland Indians traded Mitch Webster to the Pittsburgh Pirates for Mike York.
- May 17, 1991
The Cleveland Indians signed Mike Aldrete as a free agent.
The New York Yankees traded Mike Blowers to the Seattle Mariners for a player to be named later and cash. The Seattle Mariners sent Jim Blueberg (minors) (June 22, 1991) to the New York Yankees to complete the trade.
- May 18, 1991
The Oakland Athletics signed Andy Hawkins as a free agent.
The Chicago White Sox signed Magglio Ordóñez as an amateur free agent.
- May 19, 1991
The Milwaukee Brewers signed Greg Mathews as a free agent.
- May 20, 1991
The California Angels signed Fernando Valenzuela as a free agent.
The Seattle Mariners signed Ed Vosberg as a free agent.
The Houston Astros signed Óscar Henríquez as an amateur free agent.
The Oakland Athletics released Dwayne Hosey.
The San Diego Padres released Eric Nolte.
- May 21, 1991
The Cleveland Indians traded Steve Cummings to the Detroit Tigers for a player to be named later. The Detroit Tigers sent Eric Stone (minors) (July 8, 1991) to the Cleveland Indians to complete the trade.
- May 22, 1991
The Chicago White Sox signed Mike Dunne as a free agent.
- May 23, 1991
The Texas Rangers signed Eric Nolte as a free agent.
The New York Yankees signed Bubba Carpenter as an amateur free agent.
The Chicago Cubs signed Amaury Telemaco as an amateur free agent.
The Chicago White Sox traded John Cangelosi to the Milwaukee Brewers for Esteban Beltré.
- May 25, 1991
The Milwaukee Brewers signed Carmelo Castillo as a free agent.
- May 27, 1991
The Milwaukee Brewers signed Dwayne Hosey as a free agent.
- May 29, 1991
The Pittsburgh Pirates signed Ramón Morel as an amateur free agent.
The Kansas City Royals released Dan Schatzeder.
- May 31, 1991
The San Diego Padres released Wes Gardner.
The New York Mets traded Tim Teufel to the San Diego Padres for Garry Templeton.
The Baltimore Orioles selected Jim Poole off waivers from the Texas Rangers.
- June 2, 1991
The Texas Rangers signed Steve Balboni as a free agent.
The Oakland Athletics released Fred Manrique.
- June 3, 1991
The Atlanta Braves drafted Mike Kelly in the 1st round (2nd pick) of the 1991 amateur draft. Player signed July 22, 1991.
The Minnesota Twins drafted Dave McCarty in the 1st round (3rd pick) of the 1991 amateur draft. Player signed June 15, 1991.
The St. Louis Cardinals drafted Dmitri Young in the 1st round (4th pick) of the 1991 amateur draft. Player signed July 18, 1991.
The Houston Astros drafted John Burke in the 1st round (6th pick) of the 1991 amateur draft, but was not signed.
The Kansas City Royals drafted Joe Vitiello in the 1st round (7th pick) of the 1991 amateur draft. Player signed July 5, 1991.
The San Diego Padres drafted Joey Hamilton in the 1st round (8th pick) of the 1991 amateur draft. Player signed September 24, 1991.
The Baltimore Orioles drafted Mark Smith in the 1st round (9th pick) of the 1991 amateur draft. Player signed July 17, 1991.
The Philadelphia Phillies drafted Tyler Green in the 1st round (10th pick) of the 1991 amateur draft. Player signed June 26, 1991.
The Seattle Mariners drafted Shawn Estes in the 1st round (11th pick) of the 1991 amateur draft. Player signed July 9, 1991.
The Chicago Cubs drafted Doug Glanville in the 1st round (12th pick) of the 1991 amateur draft. Player signed July 18, 1991.
The Cleveland Indians drafted Manny Ramirez in the 1st round (13th pick) of the 1991 amateur draft. Player signed June 5, 1991.
The Montreal Expos drafted Cliff Floyd in the 1st round (14th pick) of the 1991 amateur draft. Player signed June 15, 1991.
The Toronto Blue Jays drafted Shawn Green in the 1st round (16th pick) of the 1991 amateur draft. Player signed September 25, 1991.
The California Angels drafted Eduardo Pérez in the 1st round (17th pick) of the 1991 amateur draft. Player signed June 22, 1991.
The Texas Rangers drafted Benji Gil in the 1st round (19th pick) of the 1991 amateur draft. Player signed July 19, 1991.
The Cincinnati Reds drafted Pokey Reese in the 1st round (20th pick) of the 1991 amateur draft. Player signed June 3, 1991.
The St. Louis Cardinals drafted Allen Watson in the 1st round (21st pick) of the 1991 amateur draft. Player signed June 12, 1991.
The St. Louis Cardinals drafted Brian Barber in the 1st round (22nd pick) of the 1991 amateur draft. Player signed June 10, 1991.
The Boston Red Sox drafted Aaron Sele in the 1st round (23rd pick) of the 1991 amateur draft. Player signed June 10, 1991.
The Chicago White Sox drafted Scott Ruffcorn in the 1st round (25th pick) of the 1991 amateur draft. Player signed June 4, 1991.
The Oakland Athletics drafted Brent Gates in the 1st round (26th pick) of the 1991 amateur draft. Player signed June 28, 1991.
The Minnesota Twins drafted Scott Stahoviak in the 1st round (27th pick) of the 1991 amateur draft. Player signed June 13, 1991.
The Detroit Tigers drafted Justin Thompson in the 1st round (32nd pick) of the 1991 amateur draft. Player signed June 25, 1991.
The California Angels drafted Jorge Fábregas in the 1st round (34th pick) of the 1991 amateur draft. Player signed September 12, 1991.
The Toronto Blue Jays drafted Jeff Ware in the 1st round (35th pick) of the 1991 amateur draft. Player signed August 25, 1991.
The New York Mets drafted Bobby Jones in the 1st round (36th pick) of the 1991 amateur draft. Player signed August 6, 1991.
The Detroit Tigers drafted Trever Miller in the 1st round (41st pick) of the 1991 amateur draft. Player signed June 6, 1991.
The Toronto Blue Jays drafted Dante Powell in the 1st round (42nd pick) of the 1991 amateur draft, but was not signed.
The Boston Red Sox drafted Scott Hatteberg in the 1st round (43rd pick) of the 1991 amateur draft. Player signed June 13, 1991.
The Detroit Tigers drafted Tarrik Brock in the 2nd round of the 1991 amateur draft. Player signed June 5, 1991.
The Minnesota Twins drafted Mike Durant in the 2nd round of the 1991 amateur draft. Player signed June 13, 1991.
The New York Mets drafted Marc Kroon in the 2nd round of the 1991 amateur draft. Player signed June 13, 1991.
The Kansas City Royals drafted Ryan Long in the 2nd round of the 1991 amateur draft. Player signed June 3, 1991.
The Texas Rangers drafted Terrell Lowery in the 2nd round of the 1991 amateur draft. Player signed June 8, 1991.
The Oakland Athletics drafted Mike Neill in the 2nd round of the 1991 amateur draft. Player signed June 6, 1991.
The Cleveland Indians drafted Herbert Perry in the 2nd round of the 1991 amateur draft. Player signed June 7, 1991.
The California Angels drafted Chris Pritchett in the 2nd round of the 1991 amateur draft. Player signed June 16, 1991.
The New York Mets drafted Bill Pulsipher in the 2nd round of the 1991 amateur draft. Player signed August 22, 1991.
The Philadelphia Phillies drafted Kevin Stocker in the 2nd round of the 1991 amateur draft. Player signed June 8, 1991.
The Chicago White Sox drafted Larry Thomas in the 2nd round of the 1991 amateur draft. Player signed June 20, 1991.
The Detroit Tigers drafted Brian Edmondson in the 3rd round of the 1991 amateur draft. Player signed June 5, 1991.
The Los Angeles Dodgers drafted Todd Hollandsworth in the 3rd round of the 1991 amateur draft. Player signed June 6, 1991.
The Seattle Mariners drafted Jim Mecir in the 3rd round of the 1991 amateur draft. Player signed June 4, 1991.
The Baltimore Orioles drafted Alex Ochoa in the 3rd round of the 1991 amateur draft. Player signed June 10, 1991.
The Cleveland Indians drafted Chad Ogea in the 3rd round of the 1991 amateur draft. Player signed July 29, 1991.
The Chicago White Sox drafted Mike Robertson in the 3rd round of the 1991 amateur draft. Player signed June 8, 1991.
The Pittsburgh Pirates drafted Matt Ruebel in the 3rd round of the 1991 amateur draft. Player signed June 21, 1991.
The Toronto Blue Jays drafted Chris Stynes in the 3rd round of the 1991 amateur draft. Player signed June 4, 1991.
The Chicago Cubs drafted Terry Adams in the 4th round of the 1991 amateur draft. Player signed June 14, 1991.
The Detroit Tigers drafted Sean Bergman in the 4th round of the 1991 amateur draft. Player signed June 5, 1991.
The Chicago White Sox drafted Brian Boehringer in the 4th round of the 1991 amateur draft. Player signed June 10, 1991.
The Cleveland Indians drafted Paul Byrd in the 4th round of the 1991 amateur draft. Player signed June 10, 1991.
The Baltimore Orioles drafted Vaughn Eshelman in the 4th round of the 1991 amateur draft. Player signed June 5, 1991.
The New York Mets drafted Erik Hiljus in the 4th round of the 1991 amateur draft. Player signed June 11, 1991.
The San Diego Padres drafted Sean Mulligan in the 4th round of the 1991 amateur draft. Player signed June 14, 1991.
The Seattle Mariners drafted Desi Relaford in the 4th round of the 1991 amateur draft. Player signed June 15, 1991.
The Philadelphia Phillies drafted Gene Schall in the 4th round of the 1991 amateur draft. Player signed June 18, 1991.
The Atlanta Braves drafted Chris Seelbach in the 4th round of the 1991 amateur draft. Player signed July 26, 1991.
The Oakland Athletics drafted Steve Wojciechowski in the 4th round of the 1991 amateur draft. Player signed June 7, 1991.
The Toronto Blue Jays drafted Rickey Cradle in the 5th round of the 1991 amateur draft. Player signed June 20, 1991.
The Kansas City Royals drafted Shane Halter in the 5th round of the 1991 amateur draft. Player signed June 4, 1991.
The San Diego Padres drafted Joey Long in the 5th round of the 1991 amateur draft. Player signed June 21, 1991.
The New York Yankees drafted Lyle Mouton in the 5th round of the 1991 amateur draft. Player signed June 18, 1991.
The St. Louis Cardinals drafted DaRond Stovall in the 5th round of the 1991 amateur draft. Player signed June 28, 1991.
The Chicago Cubs drafted Ozzie Timmons in the 5th round of the 1991 amateur draft. Player signed June 7, 1991.
The San Francisco Giants drafted William VanLandingham in the 5th round of the 1991 amateur draft. Player signed June 6, 1991.
The Milwaukee Brewers drafted Nomar Garciaparra in the 5th round of the 1991 amateur draft, but was not signed.
The Kansas City Royals drafted Mike Bovee in the 6th round of the 1991 amateur draft. Player signed June 10, 1991.
The St. Louis Cardinals drafted John Mabry in the 6th round of the 1991 amateur draft. Player signed June 11, 1991.
The Toronto Blue Jays drafted José Silva in the 6th round of the 1991 amateur draft. Player signed June 25, 1991.
The Montreal Expos drafted Derrick White in the 6th round of the 1991 amateur draft. Player signed June 10, 1991.
The San Diego Padres drafted Homer Bush in the 7th round of the 1991 amateur draft. Player signed June 7, 1991.
The St. Louis Cardinals drafted Doug Creek in the 7th round of the 1991 amateur draft. Player signed July 11, 1991.
The Cleveland Indians drafted Pep Harris in the 7th round of the 1991 amateur draft. Player signed June 9, 1991.
The Minnesota Twins drafted LaTroy Hawkins in the 7th round of the 1991 amateur draft. Player signed June 7, 1991.
The Baltimore Orioles drafted Jimmy Haynes in the 7th round of the 1991 amateur draft. Player signed June 5, 1991.
The Houston Astros drafted James Mouton in the 7th round of the 1991 amateur draft. Player signed June 6, 1991.
The California Angels drafted Chris Turner in the 7th round of the 1991 amateur draft. Player signed June 6, 1991.
The Pittsburgh Pirates drafted Tony Womack in the 7th round of the 1991 amateur draft. Player signed June 7, 1991.
The Toronto Blue Jays drafted Carlton Loewer in the 7th round of the 1991 amateur draft, but was not signed.
The Cincinnati Reds drafted John Courtright in the 8th round of the 1991 amateur draft. Player signed June 7, 1991.
The Kansas City Royals drafted Kevin Hodges in the 8th round of the 1991 amateur draft. Player signed June 17, 1991.
The San Francisco Giants drafted Dax Jones in the 8th round of the 1991 amateur draft. Player signed June 15, 1991.
The Seattle Mariners drafted Derek Lowe in the 8th round of the 1991 amateur draft. Player signed June 7, 1991.
The Milwaukee Brewers drafted Mike Matheny in the 8th round of the 1991 amateur draft. Player signed June 5, 1991.
The Boston Red Sox drafted Luis Ortiz in the 8th round of the 1991 amateur draft. Player signed June 18, 1991.
The Minnesota Twins drafted Brad Radke in the 8th round of the 1991 amateur draft. Player signed June 22, 1991.
The Atlanta Braves drafted Jason Schmidt in the 8th round of the 1991 amateur draft. Player signed June 14, 1991.
The Oakland Athletics drafted Scott Sheldon in the 8th round of the 1991 amateur draft. Player signed June 5, 1991.
The Chicago Cubs drafted Steve Trachsel in the 8th round of the 1991 amateur draft. Player signed June 10, 1991.
The Texas Rangers drafted Scott Eyre in the 9th round of the 1991 amateur draft. Player signed August 19, 1991.
The New York Yankees drafted Keith Garagozzo in the 9th round of the 1991 amateur draft.
The Oakland Athletics drafted Damon Mashore in the 9th round of the 1991 amateur draft. Player signed June 5, 1991.
The Detroit Tigers drafted Clint Sodowsky in the 9th round of the 1991 amateur draft. Player signed June 5, 1991.
The California Angels drafted Mark Sweeney in the 9th round of the 1991 amateur draft. Player signed June 5, 1991.
The Chicago Cubs drafted Jon Lieber in the 9th round of the 1991 amateur draft, but was not signed.
The St. Louis Cardinals drafted Allen Battle in the 10th round of the 1991 amateur draft. Player signed June 25, 1991.
The Philadelphia Phillies drafted Mike Grace in the 10th round of the 1991 amateur draft. Player signed June 5, 1991.
The Montreal Expos drafted Brian Looney in the 10th round of the 1991 amateur draft. Player signed June 3, 1991.
The Toronto Blue Jays drafted Ken Robinson in the 10th round of the 1991 amateur draft. Player signed June 24, 1991.
The Boston Red Sox drafted Tony Rodríguez in the 10th round of the 1991 amateur draft. Player signed June 10, 1991.
The Kansas City Royals drafted Mike Sweeney in the 10th round of the 1991 amateur draft. Player signed July 22, 1991.
The Baltimore Orioles drafted B.J. Waszgis in the 10th round of the 1991 amateur draft. Player signed June 5, 1991.
The Milwaukee Brewers drafted Jeff Cirillo in the 11th round of the 1991 amateur draft. Player signed June 5, 1991.
The St. Louis Cardinals drafted Mike Difelice in the 11th round of the 1991 amateur draft. Player signed June 6, 1991.
The Montreal Expos drafted Mark Grudzielanek in the 11th round of the 1991 amateur draft. Player signed June 18, 1991.
The Los Angeles Dodgers drafted Chris Latham in the 11th round of the 1991 amateur draft. Player signed June 6, 1991.
The Chicago White Sox drafted Al Levine in the 11th round of the 1991 amateur draft. Player signed June 4, 1991.
The Kansas City Royals drafted Joe Randa in the 11th round of the 1991 amateur draft. Player signed June 4, 1991.
The Oakland Athletics drafted Jason Wood in the 11th round of the 1991 amateur draft. Player signed June 8, 1991.
The Chicago White Sox drafted Doug Brady in the 12th round of the 1991 amateur draft. Player signed June 10, 1991.
The Kansas City Royals drafted Mike Fyhrie in the 12th round of the 1991 amateur draft. Player signed June 13, 1991.
The Baltimore Orioles drafted Curtis Goodwin in the 12th round of the 1991 amateur draft. Player signed June 12, 1991.
The New York Mets drafted Jason Jacome in the 12th round of the 1991 amateur draft. Player signed June 12, 1991.
The Oakland Athletics drafted Miguel Jimenez in the 12th round of the 1991 amateur draft. Player signed June 7, 1991.
The Toronto Blue Jays drafted Alex Gonzalez in the 13th round of the 1991 amateur draft. Player signed June 12, 1991.
The Chicago White Sox drafted Mike Heathcott in the 13th round of the 1991 amateur draft. Player signed June 11, 1991.
The Minnesota Twins drafted Matt Lawton in the 13th round of the 1991 amateur draft. Player signed August 12, 1991.
The Kansas City Royals drafted Rod Myers in the 13th round of the 1991 amateur draft. Player signed June 4, 1991.
The St. Louis Cardinals drafted Mike Busby in the 14th round of the 1991 amateur draft. Player signed June 25, 1991.
The Cincinnati Reds drafted Brian Koelling in the 14th round of the 1991 amateur draft. Player signed June 4, 1991.
The Atlanta Braves drafted Kevin Lomon in the 14th round of the 1991 amateur draft. Player signed July 16, 1991.
The Oakland Athletics drafted Darrell May in the 14th round of the 1991 amateur draft, but was not signed.
The Boston Red Sox drafted Cory Bailey in the 15th round of the 1991 amateur draft. Player signed June 5, 1991.
The Oakland Athletics drafted Brent Cookson in the 15th round of the 1991 amateur draft. Player signed June 9, 1991.
The Texas Rangers drafted Kerry Lacy in the 15th round of the 1991 amateur draft. Player signed June 5, 1991.
The Detroit Tigers drafted Phil Stidham in the 15th round of the 1991 amateur draft. Player signed June 4, 1991.
The San Diego Padres drafted Justin Atchley in the 15th round of the 1991 amateur draft, but was not signed.
The San Francisco Giants drafted Frank Charles in the 17th round of the 1991 amateur draft. Player signed June 4, 1991.
The New York Mets drafted Joe Crawford in the 17th round of the 1991 amateur draft. Player signed June 10, 1991.
The Boston Red Sox drafted Tim Van Egmond in the 17th round of the 1991 amateur draft. Player signed June 5, 1991.
The California Angels drafted Shad Williams in the 17th round of the 1991 amateur draft. Player signed August 6, 1991.
The Los Angeles Dodgers drafted Chad Zerbe in the 17th round of the 1991 amateur draft. Player signed June 6, 1991.
The Chicago White Sox drafted Mike Cameron in the 18th round of the 1991 amateur draft. Player signed June 12, 1991.
The Boston Red Sox drafted Ron Mahay in the 18th round of the 1991 amateur draft. Player signed June 7, 1991.
The Montreal Expos drafted Kirk Rueter in the 18th round of the 1991 amateur draft. Player signed June 21, 1991.
The Philadelphia Phillies drafted Bobby Higginson in the 18th round of the 1991 amateur draft, but was not signed.
The Los Angeles Dodgers drafted Rick Gorecki in the 19th round of the 1991 amateur draft. Player signed June 9, 1991.
The San Diego Padres drafted Charlie Greene in the 19th round of the 1991 amateur draft. Player signed June 9, 1991.
The Pittsburgh Pirates drafted Marc Pisciotta in the 19th round of the 1991 amateur draft. Player signed June 13, 1991.
The Cleveland Indians drafted Albie Lopez in the 20th round of the 1991 amateur draft. Player signed June 12, 1991.
The Toronto Blue Jays drafted Ben Weber in the 20th round of the 1991 amateur draft. Player signed June 7, 1991.
The Boston Red Sox drafted Joel Bennett in the 21st round of the 1991 amateur draft. Player signed June 5, 1991.
The Cincinnati Reds drafted Kevin Jarvis in the 21st round of the 1991 amateur draft. Player signed June 5, 1991.
The San Francisco Giants drafted George Arias in the 21st round of the 1991 amateur draft, but was not signed.
The Chicago Cubs drafted Chris Clemons in the 21st round of the 1991 amateur draft, but was not signed.
The Cleveland Indians drafted Jed Hansen in the 21st round of the 1991 amateur draft, but was not signed.
The Seattle Mariners drafted Darren Bragg in the 22nd round of the 1991 amateur draft. Player signed June 7, 1991.
The Los Angeles Dodgers drafted Ken Huckaby in the 22nd round of the 1991 amateur draft. Player signed June 4, 1991.
The Baltimore Orioles drafted Rick Krivda in the 23rd round of the 1991 amateur draft. Player signed June 6, 1991.
The San Francisco Giants drafted Craig Wilson in the 23rd round of the 1991 amateur draft, but was not signed.
The St. Louis Cardinals drafted John Frascatore in the 24th round of the 1991 amateur draft. Player signed June 11, 1991.
The Oakland Athletics drafted George Williams in the 24th round of the 1991 amateur draft. Player signed June 10, 1991.
The Seattle Mariners drafted Matt Mantei in the 25th round of the 1991 amateur draft. Player signed June 8, 1991.
The Kansas City Royals drafted Les Norman in the 25th round of the 1991 amateur draft. Player signed June 12, 1991.
The Toronto Blue Jays drafted Ryan Franklin in the 25th round of the 1991 amateur draft, but was not signed.
The St. Louis Cardinals drafted Rigo Beltrán in the 26th round of the 1991 amateur draft. Player signed June 9, 1991.
The Montreal Expos drafted Bob Henley in the 26th round of the 1991 amateur draft. Player signed May 16, 1992.
The Atlanta Braves drafted Pedro Swann in the 26th round of the 1991 amateur draft. Player signed June 11, 1991.
The Toronto Blue Jays drafted Steve Sinclair in the 28th round of the 1991 amateur draft. Player signed June 13, 1991.
The Detroit Tigers drafted Kevin Morgan in the 30th round of the 1991 amateur draft. Player signed June 10, 1991.
The Texas Rangers drafted Desi Wilson in the 30th round of the 1991 amateur draft. Player signed July 23, 1991.
The Chicago White Sox drafted Mike Bertotti in the 31st round of the 1991 amateur draft. Player signed June 6, 1991.
The Seattle Mariners drafted George Glinatsis in the 32nd round of the 1991 amateur draft. Player signed June 5, 1991.
The Chicago Cubs drafted Robin Jennings in the 33rd round of the 1991 amateur draft. Player signed May 11, 1992.
The California Angels drafted Orlando Palmeiro in the 33rd round of the 1991 amateur draft. Player signed June 6, 1991.
The Texas Rangers drafted J.J. Thobe in the 33rd round of the 1991 amateur draft, but was not signed.
The Minnesota Twins drafted Tim Davis in the 34th round of the 1991 amateur draft, but was not signed.
The San Diego Padres drafted Rich Loiselle in the 38th round of the 1991 amateur draft. Player signed June 10, 1991.
The Houston Astros drafted Alvin Morman in the 39th round of the 1991 amateur draft. Player signed June 10, 1991.
The Pittsburgh Pirates drafted Dustin Hermanson in the 39th round of the 1991 amateur draft, but was not signed.
The California Angels drafted Aaron Boone in the 43rd round of the 1991 amateur draft, but was not signed.
The Seattle Mariners drafted Ryan Nye in the 43rd round of the 1991 amateur draft, but was not signed.
The New York Mets drafted Jason Isringhausen in the 44th round of the 1991 amateur draft. Player signed May 24, 1992.
The Cleveland Indians drafted Damian Jackson in the 44th round of the 1991 amateur draft. Player signed May 21, 1992.
The Milwaukee Brewers drafted Bobby Jones in the 44th round of the 1991 amateur draft. Player signed May 13, 1992.
The California Angels drafted Jacob Cruz in the 45th round of the 1991 amateur draft, but was not signed.
The New York Yankees drafted Bronson Heflin in the 45th round of the 1991 amateur draft, but was not signed.
The Detroit Tigers drafted Bobby Hughes in the 47th round of the 1991 amateur draft, but was not signed.
The Cleveland Indians drafted Steve Bourgeois in the 49th round of the 1991 amateur draft, but was not signed.
The Texas Rangers drafted Todd Walker in the 51st round of the 1991 amateur draft, but was not signed.
The San Francisco Giants drafted Ken Grundt in the 53rd round of the 1991 amateur draft. Player signed June 9, 1991.
The Los Angeles Dodgers drafted Steve Kline in the 60th round of the 1991 amateur draft, but was not signed.
The Seattle Mariners drafted Charles Gipson in the 63rd round of the 1991 amateur draft. Player signed May 14, 1992.
The Houston Astros drafted Jay Witasick in the 63rd round of the 1991 amateur draft, but was not signed.
- June 4, 1991
The Montreal Expos selected Ken Williams off waivers from the Toronto Blue Jays.
- June 6, 1991
The New York Mets signed Dan Schatzeder as a free agent.
- June 7, 1991
The Atlanta Braves released Glenn Wilson.
- June 8, 1991
The San Diego Padres released Jim Presley.
- June 9, 1991
The Kansas City Royals released Terry Puhl.
- June 10, 1991
The Montreal Expos signed Heath Haynes as an amateur free agent.
The Chicago White Sox signed Jeff Pierce as an amateur free agent.
The Atlanta Braves signed Brad Woodall as an amateur free agent.
The Montreal Expos released Rick Mahler.
The Milwaukee Brewers traded Gus Polidor to the Oakland Athletics for Trent Weaver (minors).
- June 11, 1991
The Detroit Tigers signed Jeff Kaiser as a free agent.
The Texas Rangers signed José Alberro as an amateur free agent.
The Pittsburgh Pirates released Mark Huismann.
- June 12, 1991
The Los Angeles Dodgers signed Antonio Osuna as an amateur free agent.
Barry Lyons of the Los Angeles Dodgers granted free agency.
The Atlanta Braves released Randy Veres.
- June 14, 1991
The Atlanta Braves signed Rick Mahler as a free agent.
The Los Angeles Dodgers signed Ismael Valdez as an amateur free agent.
The San Diego Padres released Marty Barrett.
The Cincinnati Reds traded Reggie Jefferson to the Cleveland Indians for Tim Costo.
- June 16, 1991
The California Angels released Bob McClure.
The New York Mets released Dan Schatzeder.
- June 17, 1991
The Houston Astros signed Chuck Smith as an amateur free agent.
The Atlanta Braves signed Terrell Wade as an amateur free agent.
The Atlanta Braves released Danny Heep.
- June 18, 1991
The Los Angeles Dodgers signed Juan Castro as an amateur free agent.
The Texas Rangers released Rick Wrona.
- June 19, 1991
The Chicago White Sox signed Ron Kittle as a free agent.
The California Angels signed Barry Lyons as a free agent.
The San Francisco Giants signed Randy Veres as a free agent.
The Atlanta Braves released Randy Kramer.
The San Francisco Giants released Rick Reuschel.
- June 20, 1991
The Houston Astros sent Calvin Schiraldi to the Texas Rangers as part of a conditional deal.
The Kansas City Royals signed Mark Huismann as a free agent.
- June 21, 1991
The Montreal Expos signed William Brennan as a free agent.
The Atlanta Braves signed Carlos Reyes as an amateur free agent.
- June 22, 1991
The Seattle Mariners signed Randy Kramer as a free agent.
The Texas Rangers released Denny Walling.
- June 23, 1991
The Milwaukee Brewers released Dave LaPoint.
- June 24, 1991
The St. Louis Cardinals signed Bob McClure as a free agent.
- June 25, 1991
The Houston Astros released Mark McLemore.
The Atlanta Braves traded Víctor Rosario to the Detroit Tigers for Dan Petry.
- June 26, 1991
The Kansas City Royals signed Wes Gardner as a free agent.
The Chicago White Sox traded Grady Hall (minors) to the Cleveland Indians for Robert Person.
The Chicago Cubs traded David Rosario (minors) to the New York Yankees for Steve Adkins.
The St. Louis Cardinals selected Willie Fraser off waivers from the Toronto Blue Jays.
- June 27, 1991
The Cleveland Indians traded Tom Candiotti and Turner Ward to the Toronto Blue Jays for Denis Boucher, Glenallen Hill, Mark Whiten and cash.
- June 28, 1991
The Chicago Cubs signed Dave LaPoint as a free agent.
- June 29, 1991
The Pittsburgh Pirates signed Jason Christiansen as an amateur free agent.
- July 1, 1991
The Cleveland Indians signed Alex Ramírez as an amateur free agent.
- July 2, 1991
The Houston Astros signed Richard Hidalgo as an amateur free agent.
The Cincinnati Reds purchased Keith Kessinger from the Baltimore Orioles.
- July 3, 1991
The Milwaukee Brewers released Greg Brock.
The San Francisco Giants released Mike LaCoss.
The Los Angeles Dodgers traded Jose Gonzalez to the Pittsburgh Pirates for Mitch Webster.
The Toronto Blue Jays selected Efrain Valdez off waivers from the Cleveland Indians.
- July 4, 1991
The Texas Rangers signed James Hurst as a free agent.
The Seattle Mariners released Mike Cook.
The Texas Rangers released Shannon Penn.
- July 5, 1991
The Baltimore Orioles signed Mark McLemore as a free agent.
The Cleveland Indians released Stan Jefferson.
The California Angels released Fernando Valenzuela.
The Baltimore Orioles released Ernie Whitt.
- July 10, 1991
The California Angels signed Fernando Valenzuela as a free agent.
The Seattle Mariners released Ed Vosberg.
- July 11, 1991
The Montreal Expos signed Tomás Pérez as an amateur free agent.
The Baltimore Orioles released Kevin Hickey.
The Cincinnati Reds traded Todd Benzinger to the Kansas City Royals for Carmelo Martínez.
- July 12, 1991
Steve Searcy of the Detroit Tigers granted free agency.
The Chicago White Sox selected Mike Huff off waivers from the Cleveland Indians.
- July 14, 1991
The Chicago White Sox traded Cory Snyder to the Toronto Blue Jays for a player to be named later and Shawn Jeter. The Toronto Blue Jays sent Steve Wapnick (September 4, 1991) to the Chicago White Sox to complete the trade.
- July 15, 1991
The Philadelphia Phillies signed Steve Searcy as a free agent.
The California Angels released Doug Davis.
The California Angels released Dave Leiper.
The Montreal Expos traded Tim Burke to the New York Mets for Ron Darling and Mike Thomas.
- July 16, 1991
The Kansas City Royals released Andy McGaffigan.
- July 18, 1991
The Cincinnati Reds signed Stan Jefferson as a free agent.
The Texas Rangers signed Jim Presley as a free agent.
The Cincinnati Reds released Don Carman.
- July 19, 1991
The Kansas City Royals signed Doug Davis as a free agent.
Chunichi Dragons (Japan Central) purchased Scott Service from the Montreal Expos.
The Cleveland Indians released John Moses.
- July 21, 1991
The Philadelphia Phillies signed Ricky Bottalico as an amateur free agent.
The Boston Red Sox released Mike Marshall.
The Montreal Expos traded Oil Can Boyd to the Texas Rangers for a player to be named later, Joey Eischen and Jonathan Hurst. The Texas Rangers sent Travis Buckley (minors) (September 1, 1991) to the Montreal Expos to complete the trade.
- July 22, 1991
The Los Angeles Dodgers signed Eric Weaver as an amateur free agent.
- July 26, 1991
The Philadelphia Phillies released Jeff Tabaka.
The Cleveland Indians traded Brook Jacoby to the Oakland Athletics for Apolinar Garcia (minors) and Lee Tinsley.
- July 27, 1991
The California Angels signed Mike Marshall as a free agent.
The Houston Astros released Ken Oberkfell.
- July 28, 1991
The Baltimore Orioles released Oddibe McDowell.
- July 29, 1991
The Cleveland Indians released José Escobar.
- July 30, 1991
The Philadelphia Phillies released Rod Booker.
The California Angels traded Jack Howell to the San Diego Padres for Shawn Abner.
- July 31, 1991
The Montreal Expos traded Ron Darling to the Oakland Athletics for Russ Cormier (minors) and Matt Grott.
The Los Angeles Dodgers traded Braulio Castillo and Mike Hartley to the Philadelphia Phillies for Roger McDowell.
The Atlanta Braves traded a player to be named later and Matt Turner to the Houston Astros for Jim Clancy. The Atlanta Braves sent Earl Sanders (minors) (November 15, 1991) to the Houston Astros to complete the trade.
- August 1, 1991
The Pittsburgh Pirates signed John Moses as a free agent.
- August 2, 1991
The Kansas City Royals signed Don Carman as a free agent.
The Detroit Tigers released Rick Renteria.
The Montreal Expos released Dave Schmidt.
The Pittsburgh Pirates traded Lynn Carlson (minors) to the San Diego Padres for Brian Dorsett.
- August 4, 1991
The Milwaukee Brewers signed Andy McGaffigan as a free agent.
- August 5, 1991
The Oakland Athletics signed Mark Acre as an amateur free agent.
The New York Mets released Tom Herr.
The Pittsburgh Pirates released John Moses.
The Detroit Tigers signed John Moses as a free agent.
- August 6, 1991
The Cleveland Indians selected Tony Perezchica off waivers from the San Francisco Giants.
- August 7, 1991
The California Angels released Mike Marshall.
- August 8, 1991
The Texas Rangers signed Dave Schmidt as a free agent.
The Milwaukee Brewers signed Jeff Tabaka as a free agent.
The New York Yankees signed Marty Janzen as an amateur free agent.
The Kansas City Royals released Wes Gardner.
The Atlanta Braves released Rick Mahler.
- August 9, 1991
Brent Cookson of the Oakland Athletics granted free agency.
The Boston Red Sox released Kevin Romine.
The Milwaukee Brewers traded Candy Maldonado to the Toronto Blue Jays for a player to be named later and Bob Wishnevski (minors). The Toronto Blue Jays sent William Suero (August 14, 1991) to the Milwaukee Brewers to complete the trade.
- August 12, 1991
The Chicago White Sox signed Greg Brock as a free agent.
- August 13, 1991
The Detroit Tigers released John Shelby.
- August 14, 1991
The Montreal Expos signed Rick Renteria as a free agent.
The Montreal Expos released Mike Davis.
- August 15, 1991
The San Francisco Giants signed Tom Herr as a free agent.
The Chicago White Sox released Ron Kittle.
The Cleveland Indians selected Jose Gonzalez off waivers from the Pittsburgh Pirates.
- August 16, 1991
The Atlanta Braves traded Dan Petry to the Boston Red Sox for a player to be named later. The Boston Red Sox sent Mickey Pina (minors) (November 13, 1991) to the Atlanta Braves to complete the trade.
- August 20, 1991
The Oakland Athletics released Andy Hawkins.
- August 24, 1991
The Baltimore Orioles traded Chris Myers (minors) to the Montreal Expos for Richie Lewis.
- August 25, 1991
The Detroit Tigers released John Moses.
- August 28, 1991
The Atlanta Braves traded a player to be named later and Tony Castillo to the New York Mets for Alejandro Peña. The Atlanta Braves sent Joe Roa (August 29, 1991) to the New York Mets to complete the trade.
- August 29, 1991
The California Angels released Floyd Bannister.
- August 30, 1991
The San Francisco Giants signed Kevin Hickey as a free agent.
The Pittsburgh Pirates traded a player to be named later and Kurt Miller to the Texas Rangers for Steve Buechele. The Pittsburgh Pirates sent Héctor Fajardo (September 6, 1991) to the Texas Rangers to complete the trade.
- September 1, 1991
Mark Bailey of the San Francisco Giants granted free agency.
- September 5, 1991
The Chicago Cubs released Scott May.
The Chicago Cubs released Dave Pavlas.
- September 6, 1991
The Chicago Cubs traded Steve Wilson to the Los Angeles Dodgers for Jeff Hartsock.
- September 7, 1991
The California Angels released Dave Parker.
- September 9, 1991
The Baltimore Orioles signed Calvin Maduro as an amateur free agent.
- September 10, 1991
The California Angels released Fernando Valenzuela.
- September 14, 1991
The Toronto Blue Jays signed Dave Parker as a free agent.
- September 18, 1991
The Montreal Expos purchased Mike Lansing from Miami (Florida State).
- September 20, 1991
The Montreal Expos released Rick Renteria.
- September 23, 1991
José Bautista of the Baltimore Orioles granted free agency.
- September 25, 1991
The Cleveland Indians released Mike Birkbeck.
The Houston Astros selected Eddie Tucker off waivers from the San Francisco Giants.
- September 28, 1991
The Houston Astros signed Alejandro Freire as an amateur free agent.
- September 29, 1991
The Atlanta Braves traded Yorkis Pérez and Turk Wendell to the Chicago Cubs for Damon Berryhill and Mike Bielecki.
- October 6, 1991
The San Francisco Giants released Tom Herr.
The San Francisco Giants released Mike Kingery.
- October 7, 1991
Darrel Akerfelds of the Philadelphia Phillies granted free agency.
Sil Campusano of the Philadelphia Phillies granted free agency.
Amalio Carreño of the Philadelphia Phillies granted free agency.
Rick Cerone of the New York Mets granted free agency.
Rodney McCray of the Chicago White Sox granted free agency.
Don Wakamatsu of the Chicago White Sox granted free agency.
The Cleveland Indians released Mike York.
- October 8, 1991
The Los Angeles Dodgers signed Wilton Guerrero as an amateur free agent.
Mike Jeffcoat of the Texas Rangers granted free agency.
Mark Parent of the Texas Rangers granted free agency.
The New York Mets selected Junior Noboa off waivers from the Montreal Expos.
- October 9, 1991
John Morris of the Philadelphia Phillies granted free agency.
The Milwaukee Brewers released Rick Dempsey.
The Texas Rangers released Dave Schmidt.
- October 10, 1991
Keith Comstock of the Seattle Mariners granted free agency.
- October 11, 1991
The Oakland Athletics released Vance Law.
- October 14, 1991
The San Francisco Giants signed Mark Bailey as a free agent.
The California Angels signed Larry Sheets as a free agent.
Gary Green of the Texas Rangers granted free agency.
Mike Stanley of the Texas Rangers granted free agency.
The St. Louis Cardinals released Jamie Moyer.
- October 15, 1991
Don August of the Milwaukee Brewers granted free agency.
Steve Balboni of the Texas Rangers granted free agency.
Jay Baller of the Philadelphia Phillies granted free agency.
Tommy Barrett of the Boston Red Sox granted free agency.
Gerónimo Berroa of the Cleveland Indians granted free agency.
Joe Bitker of the Texas Rangers granted free agency.
William Brennan of the Montreal Expos granted free agency.
Jacob Brumfield of the Kansas City Royals granted free agency.
Mike Campbell of the Texas Rangers granted free agency.
John Cangelosi of the Milwaukee Brewers granted free agency.
Nick Capra of the Texas Rangers granted free agency.
Don Carman of the Kansas City Royals granted free agency.
Carmelo Castillo of the Milwaukee Brewers granted free agency.
Terry Clark of the Houston Astros granted free agency.
Alan Cockrell of the Seattle Mariners granted free agency.
Mike Dalton of the Detroit Tigers granted free agency.
Doug Davis of the Kansas City Royals granted free agency.
Luis de los Santos of the Detroit Tigers granted free agency.
Mario Díaz of the Texas Rangers granted free agency.
Brian Dorsett of the Pittsburgh Pirates granted free agency.
Tom Drees of the Chicago White Sox granted free agency.
Tom Filer of the Chicago Cubs granted free agency.
Steve Fireovid of the Pittsburgh Pirates granted free agency.
Brian Fisher of the Milwaukee Brewers granted free agency.
Mauro Gozzo of the Cleveland Indians granted free agency.
Kevin Hickey of the San Francisco Giants granted free agency.
Keith Hughes of the New York Yankees granted free agency.
Jim Hunter of the Milwaukee Brewers granted free agency.
Blaise Ilsley of the Houston Astros granted free agency.
Chuck Jackson of the Seattle Mariners granted free agency.
Stan Jefferson of the Cincinnati Reds granted free agency.
Wayne Kirby of the Cleveland Indians granted free agency.
Brad Komminsk of the Oakland Athletics granted free agency.
Chad Kreuter of the Texas Rangers granted free agency.
Dave LaPoint of the Chicago Cubs granted free agency.
Nelson Liriano of the Kansas City Royals granted free agency.
Luis Lopez of the Cleveland Indians granted free agency.
Scott Lusader of the New York Yankees granted free agency.
Mitch Lyden of the Detroit Tigers granted free agency.
Ravelo Manzanillo of the Toronto Blue Jays granted free agency.
Al Martin of the Atlanta Braves granted free agency.
Andy McGaffigan of the Milwaukee Brewers granted free agency.
Russ McGinnis of the Chicago Cubs granted free agency.
Mark McLemore of the Baltimore Orioles granted free agency.
Tony Menéndez of the Texas Rangers granted free agency.
José Mota of the San Diego Padres granted free agency.
Eric Nolte of the Texas Rangers granted free agency.
Clay Parker of the Oakland Athletics granted free agency.
Gus Polidor of the Oakland Athletics granted free agency.
Dennis Powell of the Seattle Mariners granted free agency.
Todd Pratt of the Boston Red Sox granted free agency.
Jim Presley of the Texas Rangers granted free agency.
Mike Raczka of the Oakland Athletics granted free agency.
Jeff Schwarz of the Milwaukee Brewers granted free agency.
José Segura of the San Francisco Giants granted free agency.
Steve Springer of the Seattle Mariners granted free agency.
Freddie Toliver of the California Angels granted free agency.
Greg Tubbs of the Pittsburgh Pirates granted free agency.
Shane Turner of the Baltimore Orioles granted free agency.
Efrain Valdez of the Toronto Blue Jays granted free agency.
Jim Walewander of the New York Yankees granted free agency.
Tracy Woodson of the Atlanta Braves granted free agency.
Eddie Zambrano of the Pittsburgh Pirates granted free agency.
The New York Yankees released Pat Sheridan.
The Milwaukee Brewers traded George Canale to the Montreal Expos for Alex Diaz.
- October 16, 1991
Troy Afenir of the Oakland Athletics granted free agency.
Darnell Coles of the San Francisco Giants granted free agency.
Mark Davidson of the Houston Astros granted free agency.
Butch Davis of the Los Angeles Dodgers granted free agency.
Mark Huismann of the Kansas City Royals granted free agency.
Mark Knudson of the Milwaukee Brewers granted free agency.
Ever Magallanes of the Cleveland Indians granted free agency.
Terry McGriff of the Houston Astros granted free agency.
Jeff McKnight of the Baltimore Orioles granted free agency.
Luis Medina of the Cleveland Indians granted free agency.
Russ Morman of the Kansas City Royals granted free agency.
Carl Nichols of the Houston Astros granted free agency.
Mark Petkovsek of the Texas Rangers granted free agency.
Joe Redfield of the Pittsburgh Pirates granted free agency.
Calvin Schiraldi of the Texas Rangers granted free agency.
Jeff Schulz of the Pittsburgh Pirates granted free agency.
Matt Sinatro of the Seattle Mariners granted free agency.
Roy Smith of the Baltimore Orioles granted free agency.
Sergio Valdez of the Cleveland Indians granted free agency.
Mickey Weston of the Toronto Blue Jays granted free agency.
Dean Wilkins of the Houston Astros granted free agency.
Paul Zuvella of the Kansas City Royals granted free agency.
The Baltimore Orioles released Paul Kilgus.
- October 17, 1991
Brad Arnsberg of the Texas Rangers granted free agency.
- October 18, 1991
Jeff Ballard of the Baltimore Orioles granted free agency.
Todd Burns of the Oakland Athletics granted free agency.
Ron Jones of the Philadelphia Phillies granted free agency.
- October 21, 1991
The St. Louis Cardinals signed Manny Aybar as an amateur free agent.
The Chicago Cubs signed Geremi González as an amateur free agent.
The St. Louis Cardinals signed José Jiménez as an amateur free agent.
- October 22, 1991
Benny Distefano of the Baltimore Orioles granted free agency.
- October 23, 1991
The Kansas City Royals selected Rusty Meacham off waivers from the Detroit Tigers.
- October 24, 1991
The California Angels released Barry Lyons.
- October 25, 1991
The Milwaukee Brewers released Greg Mathews.
- October 26, 1991
Frank Wills of the Toronto Blue Jays granted free agency.
- October 28, 1991
The Texas Rangers signed Steve Fireovid as a free agent.
Bobby Bonilla of the Pittsburgh Pirates granted free agency.
Steve Buechele of the Pittsburgh Pirates granted free agency.
Jim Deshaies of the Houston Astros granted free agency.
Mike Gallego of the Oakland Athletics granted free agency.
Ron Hassey of the Montreal Expos granted free agency.
Joe Hesketh of the Boston Red Sox granted free agency.
Jack Howell of the San Diego Padres granted free agency.
Wally Joyner of the California Angels granted free agency.
Bob Kipper of the Pittsburgh Pirates granted free agency.
Steve Lake of the Philadelphia Phillies granted free agency.
Mike Morgan of the Los Angeles Dodgers granted free agency.
Dennis Rasmussen of the San Diego Padres granted free agency.
Randy Ready of the Philadelphia Phillies granted free agency.
Ernie Riles of the Oakland Athletics granted free agency.
John Russell of the Texas Rangers granted free agency.
Juan Samuel of the Los Angeles Dodgers granted free agency.
Doug Sisk of the Atlanta Braves granted free agency.
Rick Sutcliffe of the Chicago Cubs granted free agency.
Danny Tartabull of the Kansas City Royals granted free agency.
Frank Viola of the New York Mets granted free agency.
The New York Yankees released Chuck Cary.
The Toronto Blue Jays released Cory Snyder.
- October 29, 1991
Steve Crawford of the Kansas City Royals granted free agency.
Alvin Davis of the Seattle Mariners granted free agency.
Mike Fitzgerald of the Montreal Expos granted free agency.
Eddie Murray of the Los Angeles Dodgers granted free agency.
Jeff Robinson of the California Angels granted free agency.
Mark Salas of the Detroit Tigers granted free agency.
Kurt Stillwell of the Kansas City Royals granted free agency.
Mookie Wilson of the Toronto Blue Jays granted free agency.
- October 30, 1991
The Kansas City Royals signed Mark Huismann as a free agent.
Brian Downing of the Texas Rangers granted free agency.
Mariano Duncan of the Cincinnati Reds granted free agency.
Jim Eisenreich of the Kansas City Royals granted free agency.
Rich Gossage of the Texas Rangers granted free agency.
Bill Krueger of the Seattle Mariners granted free agency.
Kirk McCaskill of the California Angels granted free agency.
Geno Petralli of the Texas Rangers granted free agency.
Tim Teufel of the San Diego Padres granted free agency.
Mitch Webster of the Los Angeles Dodgers granted free agency.
Dave Winfield of the California Angels granted free agency.
- October 31, 1991
The Cincinnati Reds signed Gerónimo Berroa as a free agent.
Jim Acker of the Toronto Blue Jays granted free agency.
Dave Anderson of the San Francisco Giants granted free agency.
Daryl Boston of the New York Mets granted free agency.
Oil Can Boyd of the Texas Rangers granted free agency.
John Cerutti of the Detroit Tigers granted free agency.
Danny Cox of the Philadelphia Phillies granted free agency.
Ron Darling of the Oakland Athletics granted free agency.
Alfredo Griffin of the Los Angeles Dodgers granted free agency.
Pedro Guerrero of the St. Louis Cardinals granted free agency.
Atlee Hammaker of the San Diego Padres granted free agency.
Pete Incaviglia of the Detroit Tigers granted free agency.
Mike LaValliere of the Pittsburgh Pirates granted free agency.
Dan Pasqua of the Chicago White Sox granted free agency.
Rafael Ramírez of the Houston Astros granted free agency.
Willie Randolph of the Milwaukee Brewers granted free agency.
Don Robinson of the San Francisco Giants granted free agency.
Rick Schu of the Philadelphia Phillies granted free agency.
Mitch Williams of the Philadelphia Phillies granted free agency.
- November 1, 1991
Bert Blyleven of the California Angels granted free agency.
Glenn Davis of the Baltimore Orioles granted free agency.
Jerry Don Gleaton of the Detroit Tigers granted free agency.
Orel Hershiser of the Los Angeles Dodgers granted free agency.
Jay Howell of the Los Angeles Dodgers granted free agency.
Alejandro Peña of the Atlanta Braves granted free agency.
Dan Petry of the Boston Red Sox granted free agency.
Dick Schofield of the California Angels granted free agency.
The California Angels released Donnie Hill.
The California Angels released Larry Sheets.
- November 4, 1991
Jim Clancy of the Atlanta Braves granted free agency.
Dwight Evans of the Baltimore Orioles granted free agency.
Carlton Fisk of the Chicago White Sox granted free agency.
Scott Fletcher of the Chicago White Sox granted free agency.
Jim Gantner of the Milwaukee Brewers granted free agency.
Brian Harper of the Minnesota Twins granted free agency.
Terry Kennedy of the San Francisco Giants granted free agency.
Dennis Lamp of the Boston Red Sox granted free agency.
Dave Parker of the Toronto Blue Jays granted free agency.
Ted Power of the Cincinnati Reds granted free agency.
Garry Templeton of the New York Mets granted free agency.
Dickie Thon of the Philadelphia Phillies granted free agency.
Bob Walk of the Pittsburgh Pirates granted free agency.
- November 5, 1991
Dan Gladden of the Minnesota Twins granted free agency.
Steve Lyons of the Boston Red Sox granted free agency.
Carmelo Martínez of the Cincinnati Reds granted free agency.
Lloyd Moseby of the Detroit Tigers granted free agency.
Curt Wilkerson of the Pittsburgh Pirates granted free agency.
Herm Winningham of the Cincinnati Reds granted free agency.
The Chicago Cubs released Erik Pappas.
- November 6, 1991
Brook Jacoby of the Oakland Athletics granted free agency.
Carney Lansford of the Oakland Athletics granted free agency.
- November 7, 1991
The Texas Rangers signed John Cangelosi as a free agent.
Steve Bedrosian of the Minnesota Twins granted free agency.
Tom Candiotti of the Toronto Blue Jays granted free agency.
Tracy Jones of the Seattle Mariners granted free agency.
Terry Leach of the Minnesota Twins granted free agency.
- November 8, 1991
Dave Bergman of the Detroit Tigers granted free agency.
- November 11, 1991
The Pittsburgh Pirates signed Al Martin as a free agent.
Jack Morris of the Minnesota Twins granted free agency.
Al Newman of the Minnesota Twins granted free agency.
Otis Nixon of the Atlanta Braves granted free agency.
Steve Ontiveros of the Philadelphia Phillies granted free agency.
Junior Ortiz of the Minnesota Twins granted free agency.
Mike Pagliarulo of the Minnesota Twins granted free agency.
Max Venable of the California Angels granted free agency.
- November 12, 1991
The Cincinnati Reds signed Jacob Brumfield as a free agent.
The Cincinnati Reds signed Nick Capra as a free agent.
The Cincinnati Reds signed Darnell Coles as a free agent.
The Baltimore Orioles signed Glenn Davis as a free agent.
The Cincinnati Reds signed Gary Green as a free agent.
The Cincinnati Reds signed Russ Morman as a free agent.
The Cincinnati Reds signed Jeff Schulz as a free agent.
The Cincinnati Reds signed Rick Wrona as a free agent.
The St. Louis Cardinals released Ray Stephens.
- November 13, 1991
The Baltimore Orioles signed Todd Pratt as a free agent.
The Pittsburgh Pirates signed Greg Tubbs as a free agent.
The Pittsburgh Pirates signed Eddie Zambrano as a free agent.
The New York Yankees signed Ramiro Mendoza as an amateur free agent.
The California Angels released Chris Cron.
The Baltimore Orioles released Jeff Robinson.
- November 15, 1991
The Cincinnati Reds signed Troy Afenir as a free agent.
The Cincinnati Reds traded Joe Turek (minors), Jack Armstrong and Scott Scudder to the Cleveland Indians for Greg Swindell.
The Montreal Expos selected Gary Carter off waivers from the Los Angeles Dodgers.
- November 18, 1991
Rene Gonzales of the Toronto Blue Jays granted free agency.
The Houston Astros released Jim Corsi.
The Houston Astros released Javier Ortiz.
The Houston Astros released José Tolentino.
The Montreal Expos released Ken Williams.
- November 19, 1991
The San Diego Padres released John Costello.
The Pittsburgh Pirates selected Terry McDaniel off waivers from the New York Mets.
- November 20, 1991
The Cincinnati Reds signed Tony Menéndez as a free agent.
Jeff Kaiser of the Detroit Tigers granted free agency.
The Cleveland Indians released Jose Gonzalez.
The Baltimore Orioles released Dave Johnson.
The Cincinnati Reds released Terry Lee.
The New York Yankees released Eric Plunk.
The Cincinnati Reds released Luis Quiñones.
The Atlanta Braves released Randy St. Claire.
The Cleveland Indians selected Derek Lilliquist off waivers from the San Diego Padres.
- November 21, 1991
The St. Louis Cardinals signed René Arocha as an amateur free agent.
- November 22, 1991
The Kansas City Royals signed José Mota as a free agent.
John Farrell of the Cleveland Indians granted free agency.
- November 25, 1991
The Montreal Expos traded Andrés Galarraga to the St. Louis Cardinals for Ken Hill.
- November 26, 1991
The Cincinnati Reds selected Dwayne Henry off waivers from the Houston Astros.
- November 27, 1991
The New York Mets signed Eddie Murray as a free agent.
The Cleveland Indians released Jeff Manto.
The Cleveland Indians released Mike Walker.
The Cincinnati Reds traded Eric Davis and Kip Gross to the Los Angeles Dodgers for Tim Belcher and John Wetteland.
- November 28, 1991
The Milwaukee Brewers signed Efrain Valdez as a free agent.
Curt Young of the Oakland Athletics granted free agency.
- December 2, 1991
The New York Mets signed Bobby Bonilla as a free agent.
The Texas Rangers signed Russ McGinnis as a free agent.
The Kansas City Royals signed Erik Pappas as a free agent.
The Cincinnati Reds selected Bob Geren off waivers from the New York Yankees.
The Cincinnati Reds selected César Hernández off waivers from the Montreal Expos.
The Chicago Cubs selected Jorge Pedre off waivers from the Kansas City Royals.
- December 3, 1991
The Los Angeles Dodgers signed Tom Candiotti as a free agent.
The Los Angeles Dodgers signed Orel Hershiser as a free agent.
The Texas Rangers signed Chuck Jackson as a free agent.
The Chicago Cubs signed Mike Morgan as a free agent.
- December 4, 1991
The Chicago White Sox signed Dan Pasqua as a free agent.
- December 5, 1991
The Texas Rangers signed Tom Drees as a free agent.
- December 6, 1991
The Cleveland Indians sent Jesse Orosco to the Milwaukee Brewers as part of a conditional deal.
The Chicago White Sox signed Chris Cron as a free agent.
The Chicago White Sox signed Brad Komminsk as a free agent.
The Chicago White Sox signed Ever Magallanes as a free agent.
The Los Angeles Dodgers signed Mitch Webster as a free agent.
- December 7, 1991
The Texas Rangers signed Brian Downing as a free agent.
The Baltimore Orioles signed Dwight Evans as a free agent.
The Texas Rangers signed Geno Petralli as a free agent.
- December 8, 1991
The San Francisco Giants signed Don August as a free agent.
The California Angels traded Kyle Abbott and Rubén Amaro Jr. to the Philadelphia Phillies for Von Hayes.
The Cincinnati Reds traded Randy Myers to the San Diego Padres for a player to be named later and Bip Roberts. The San Diego Padres sent Craig Pueschner (minors) (December 9, 1991) to the Cincinnati Reds to complete the trade.
- December 9, 1991
The Pittsburgh Pirates drafted Miguel Batista from the Montreal Expos in the 1991 rule 5 draft.
The Seattle Mariners drafted Donnie Elliott from the Philadelphia Phillies in the 1991 rule 5 draft.
The California Angels drafted Tim Fortugno from the Milwaukee Brewers in the 1991 rule 5 draft.
The Houston Astros drafted Juan Guerrero from the San Francisco Giants in the 1991 rule 5 draft.
The California Angels drafted David Holdridge from the Philadelphia Phillies in the 1991 rule 5 draft.
The Montreal Expos drafted Matt Karchner from the Kansas City Royals in the 1991 rule 5 draft.
The Philadelphia Phillies drafted Todd Pratt from the Baltimore Orioles in the 1991 rule 5 draft.
The San Francisco Giants drafted Rafael Quirico from the New York Yankees in the 1991 rule 5 draft.
The Cleveland Indians drafted Pete Rose Jr. from the Chicago White Sox in the 1991 rule 5 draft.
The Baltimore Orioles drafted Darrell Sherman from the San Diego Padres in the 1991 rule 5 draft.
The Cleveland Indians drafted Mike Thomas from the Montreal Expos in the 1991 rule 5 draft.
The California Angels drafted Billy Bean from the Los Angeles Dodgers in the 1991 minor league draft.
The Philadelphia Phillies drafted Chris Bushing from the Montreal Expos in the 1991 minor league draft.
The Cincinnati Reds drafted Matt Grott from the Montreal Expos in the 1991 minor league draft.
The Seattle Mariners drafted Bert Heffernan from the Los Angeles Dodgers in the 1991 minor league draft.
The San Diego Padres drafted Dwayne Hosey from the Milwaukee Brewers in the 1991 minor league draft.
The San Diego Padres drafted Brian Johnson from the New York Yankees in the 1991 minor league draft.
The Milwaukee Brewers drafted Rob Lukachyk from the Chicago White Sox in the 1991 minor league draft.
The Cleveland Indians drafted Greg McCarthy from the Montreal Expos in the 1991 minor league draft.
The Philadelphia Phillies signed Danny Cox as a free agent.
The Pittsburgh Pirates signed Brian Fisher as a free agent.
The Kansas City Royals signed Wally Joyner as a free agent.
The Oakland Athletics signed Carney Lansford as a free agent.
The Milwaukee Brewers signed Dave Leiper as a free agent.
The Milwaukee Brewers signed Eric Nolte as a free agent.
The San Francisco Giants released Rick Parker.
The Atlanta Braves released Jeff Parrett.
The Montreal Expos released Nelson Santovenia.
The Montreal Expos traded Jeff Barry to the New York Mets for Blaine Beatty.
The Montreal Expos traded Barry Jones to the Philadelphia Phillies for Darrin Fletcher and cash.
- December 10, 1991
The Detroit Tigers signed Dave Bergman as a free agent.
The Philadelphia Phillies signed Mariano Duncan as a free agent.
The Montreal Expos signed Sergio Valdez as a free agent.
The Los Angeles Dodgers signed Don Wakamatsu as a free agent.
The Montreal Expos signed Dean Wilkins as a free agent.
Steve Carter of the Chicago Cubs granted free agency.
The Los Angeles Dodgers traded Mark Griffin (minors) to the Montreal Expos for Ben Van Ryn.
The Cleveland Indians traded Willie Blair and Ed Taubensee to the Houston Astros for Kenny Lofton and Dave Rohde.
The California Angels traded Glenn Carter (minors) and Mike Fetters to the Milwaukee Brewers for Chuck Crim.
The California Angels traded Dave Gallagher to the New York Mets for Hubie Brooks.
The Atlanta Braves traded Rico Rossy to the Kansas City Royals for Bobby Moore.
The Cleveland Indians traded Rudy Seánez to the Los Angeles Dodgers for Mike Christopher and Dennis Cook.
- December 11, 1991
The Detroit Tigers signed William Brennan as a free agent.
The Toronto Blue Jays signed Butch Davis as a free agent.
The Chicago White Sox signed Carlton Fisk as a free agent.
The Chicago Cubs released Yorkis Pérez.
The Kansas City Royals traded Todd Benzinger to the Los Angeles Dodgers for Domingo Mota (minors) and Chris Gwynn.
The New York Mets traded Jeff Gardner to the San Diego Padres for Steve Rosenberg.
The Baltimore Orioles traded Bob Melvin to the Kansas City Royals for Storm Davis.
The Kansas City Royals traded Bill Pecota and Bret Saberhagen to the New York Mets for Gregg Jefferies, Kevin McReynolds and Keith Miller.
The Milwaukee Brewers traded Dale Sveum to the Philadelphia Phillies for Bruce Ruffin.
The Seattle Mariners traded Dave Burba, Mike Jackson and Bill Swift to the San Francisco Giants for Kevin Mitchell and Mike Remlinger.
The Cincinnati Reds traded Bill Risley and John Wetteland to the Montreal Expos for Willie Greene, Dave Martinez and Scott Ruskin.
- December 12, 1991
The Pittsburgh Pirates signed Steve Buechele as a free agent.
The Cleveland Indians signed Wayne Kirby as a free agent.
The Atlanta Braves signed Otis Nixon as a free agent.
The Toronto Blue Jays signed Eric Plunk as a free agent.
The Oakland Athletics signed Gus Polidor as a free agent.
- December 13, 1991
The Cleveland Indians signed Ron Jones as a free agent.
The New York Mets signed Rodney McCray as a free agent.
The Seattle Mariners signed Clay Parker as a free agent.
The Cincinnati Reds released Chris Jones.
The New York Mets released Kelvin Torve.
The New York Mets traded Chuck Carr to the St. Louis Cardinals for Clyde Keller (minors).
- December 14, 1991
The Chicago Cubs signed Scott May as a free agent.
- December 16, 1991
The Texas Rangers signed Mike Campbell as a free agent.
The Milwaukee Brewers signed Mario Díaz as a free agent.
The California Angels signed John Morris as a free agent.
The Cleveland Indians signed Junior Ortiz as a free agent.
The Philadelphia Phillies signed Ray Stephens as a free agent.
The Texas Rangers signed Dickie Thon as a free agent.
- December 17, 1991
The Minnesota Twins signed Bob Kipper as a free agent.
- December 18, 1991
The St. Louis Cardinals signed Mike Cook as a free agent.
The Toronto Blue Jays signed Jack Morris as a free agent.
The Philadelphia Phillies signed Mickey Weston as a free agent.
The Philadelphia Phillies signed Mitch Williams as a free agent.
- December 19, 1991
The New York Mets signed Tom Filer as a free agent.
The Minnesota Twins signed Brian Harper as a free agent.
The Boston Red Sox signed Joe Hesketh as a free agent.
The Houston Astros signed Chris Jones as a free agent.
The Cleveland Indians signed Luis Lopez as a free agent.
The New York Mets signed Steve Springer as a free agent.
The Baltimore Orioles signed Rick Sutcliffe as a free agent.
The Detroit Tigers signed Mike Walker as a free agent.
The Toronto Blue Jays signed Dave Winfield as a free agent.
The San Diego Padres signed Mike York as a free agent.
- December 20, 1991
The Kansas City Royals signed José Bautista as a free agent.
The Texas Rangers signed Todd Burns as a free agent.
The Milwaukee Brewers signed Jim Gantner as a free agent.
The Detroit Tigers signed Dan Gladden as a free agent.
The St. Louis Cardinals signed Blaise Ilsley as a free agent.
The New York Mets signed Jeff McKnight as a free agent.
The New York Mets signed Willie Randolph as a free agent.
Andy Allanson of the Detroit Tigers granted free agency.
Allan Anderson of the Minnesota Twins granted free agency.
Scott Bankhead of the Seattle Mariners granted free agency.
Chris Beasley of the California Angels granted free agency.
Joe Boever of the Philadelphia Phillies granted free agency.
Willie Fraser of the St. Louis Cardinals granted free agency.
Mark Grant of the Atlanta Braves granted free agency.
Chris James of the Cleveland Indians granted free agency.
Doug Jones of the Cleveland Indians granted free agency.
Eric King of the Cleveland Indians granted free agency.
Jeff Kunkel of the Texas Rangers granted free agency.
Rob Murphy of the Seattle Mariners granted free agency.
Johnny Paredes of the Detroit Tigers granted free agency.
Phil Stephenson of the San Diego Padres granted free agency.
Scott Terry of the St. Louis Cardinals granted free agency.
Chico Walker of the Chicago Cubs granted free agency.
The Kansas City Royals released Dave Clark.
- December 23, 1991
The Detroit Tigers signed Shannon Penn as a free agent.
The Chicago Cubs signed Chico Walker as a free agent.
- December 26, 1991
The St. Louis Cardinals signed Tracy Woodson as a free agent.
- December 27, 1991
The Oakland Athletics signed Mike Kingery as a free agent.
- December 28, 1991
The Chicago White Sox signed Kirk McCaskill as a free agent.
- December 31, 1991
The Pittsburgh Pirates signed Bob Walk as a free agent.
- Before 1992 Season
The Detroit Tigers signed Steve Carter as a free agent.
The Atlanta Braves signed Randy St. Claire as a free agent.
The Baltimore Orioles released Rob Woodward.
Nikco Riesgo sent from the Philadelphia Phillies to the Kansas City Royals in an unknown transaction.
- January 2, 1992
The New York Mets signed Mike Birkbeck as a free agent.
The Detroit Tigers signed Chad Kreuter as a free agent.
The Texas Rangers signed Danny Leon as a free agent.
The Boston Red Sox signed Frank Viola as a free agent.
- January 3, 1992
The Houston Astros signed Benny Distefano as a free agent.
The Pittsburgh Pirates signed Mike LaValliere as a free agent.
The Houston Astros signed Rick Parker as a free agent.
The Minnesota Twins signed Luis Quiñones as a free agent.
The California Angels signed Don Robinson as a free agent.
The Texas Rangers signed Jeff Robinson as a free agent.
- January 4, 1992
The St. Louis Cardinals signed Scott Terry as a free agent.
- January 6, 1992
The Cleveland Indians signed Terry Clark as a free agent.
The Kansas City Royals signed Luis Medina as a free agent.
The New York Yankees signed Danny Tartabull as a free agent.
The New York Mets released Héctor Carrasco.
- January 7, 1992
The Baltimore Orioles signed Amalio Carreño as a free agent.
The Minnesota Twins signed Mauro Gozzo as a free agent.
The St. Louis Cardinals signed Pedro Guerrero as a free agent.
The Minnesota Twins signed Mike Pagliarulo as a free agent.
The Chicago Cubs signed Jeff Robinson as a free agent.
The Cincinnati Reds signed José Segura as a free agent.
The Pittsburgh Pirates signed José Tolentino as a free agent.
- January 8, 1992
The Texas Rangers signed Doug Davis as a free agent.
The Chicago White Sox signed Drew Denson as a free agent.
The Atlanta Braves signed Steve Lyons as a free agent.
The Chicago Cubs signed Jamie Moyer as a free agent.
The Philadelphia Phillies signed Rick Schu as a free agent.
The San Diego Padres signed Tim Teufel as a free agent.
The New York Yankees traded Darrin Chapin to the Philadelphia Phillies for a player to be named later. The Philadelphia Phillies sent Charlie Hayes (February 19, 1992) to the New York Yankees to complete the trade.
- January 9, 1992
The New York Yankees signed Mike Gallego as a free agent.
- January 10, 1992
The Philadelphia Phillies signed Jay Baller as a free agent.
The Houston Astros signed Rod Booker as a free agent.
The California Angels signed Rene Gonzales as a free agent.
The Houston Astros signed Rafael Ramírez as a free agent.
The Montreal Expos signed Scott Service as a free agent.
The Chicago White Sox traded Domingo Jean, Melido Perez and Bob Wickman to the New York Yankees for Steve Sax.
- January 13, 1992
The San Francisco Giants signed Cory Snyder as a free agent.
- January 14, 1992
The California Angels signed Willie Fraser as a free agent.
The Oakland Athletics signed Randy Ready as a free agent.
- January 15, 1992
The St. Louis Cardinals signed Ozzie Canseco as a free agent.
The San Francisco Giants signed Chris James as a free agent.
The Houston Astros signed Barry Lyons as a free agent.
The Seattle Mariners signed Dennis Powell as a free agent.
The California Angels signed Ty Van Burkleo as a free agent.
The Detroit Tigers signed Jorge Velandia as an amateur free agent.
- January 17, 1992
The Boston Red Sox signed Tommy Barrett as a free agent.
The Oakland Athletics signed Ron Darling as a free agent.
The Minnesota Twins signed Donnie Hill as a free agent.
The Detroit Tigers signed Jeff Kaiser as a free agent.
The California Angels signed Dick Schofield as a free agent.
The California Angels traded Dan Grunhard (minors) to the Oakland Athletics for Rod Correia.
- January 19, 1992
The St. Louis Cardinals signed Paul Kilgus as a free agent.
The New York Yankees released Dave Eiland.
- January 20, 1992
The Texas Rangers released Dan Rohrmeier.
- January 21, 1992
The Houston Astros signed Héctor Carrasco as a free agent.
The Seattle Mariners signed Matt Sinatro as a free agent.
The New York Yankees signed Mike Stanley as a free agent.
- January 22, 1992
The St. Louis Cardinals signed Jeff Ballard as a free agent.
The Cincinnati Reds signed Scott Bankhead as a free agent.
The California Angels signed Bert Blyleven as a free agent.
The Pittsburgh Pirates signed Mike Dalton as a free agent.
The Pittsburgh Pirates signed Brian Dorsett as a free agent.
The California Angels signed Jose Gonzalez as a free agent.
The California Angels signed Dave Johnson as a free agent.
The Pittsburgh Pirates signed Mark Petkovsek as a free agent.
The Pittsburgh Pirates signed Joe Redfield as a free agent.
The Baltimore Orioles signed Miguel Mejía as an amateur free agent.
The California Angels released Billy Bean.
The Detroit Tigers traded Randy Marshall (minors) and Paul Gibson to the New York Mets for Mark Carreon and Tony Castillo.
- January 23, 1992
The Baltimore Orioles signed Darrel Akerfelds as a free agent.
The Milwaukee Brewers signed Andy Allanson as a free agent.
The Los Angeles Dodgers signed Jay Howell as a free agent.
The Atlanta Braves signed Jeff Manto as a free agent.
The New York Mets released Rich Sauveur.
- January 24, 1992
The Minnesota Twins signed Keith Hughes as a free agent.
The Houston Astros signed Doug Jones as a free agent.
- January 26, 1992
The Milwaukee Brewers signed Jeff Kunkel as a free agent.
- January 27, 1992
The Houston Astros signed Joe Boever as a free agent.
The Oakland Athletics signed Jim Deshaies as a free agent.
The San Diego Padres signed Dave Eiland as a free agent.
The Oakland Athletics signed Rich Gossage as a free agent.
The Seattle Mariners signed Mark Grant as a free agent.
The Houston Astros signed Pete Incaviglia as a free agent.
The Cleveland Indians signed Brook Jacoby as a free agent.
The California Angels signed Terry McGriff as a free agent.
The Houston Astros signed Rob Murphy as a free agent.
The Houston Astros signed Ernie Riles as a free agent.
The Houston Astros signed Denny Walling as a free agent.
- January 28, 1992
The Los Angeles Dodgers signed Dave Anderson as a free agent.
The Texas Rangers signed Mike Jeffcoat as a free agent.
The Kansas City Royals signed Curt Wilkerson as a free agent.
- January 29, 1992
The New York Yankees signed Allan Anderson as a free agent.
The Pittsburgh Pirates signed Dave Clark as a free agent.
The Detroit Tigers signed Eric King as a free agent.
The Minnesota Twins signed Bill Krueger as a free agent.
The Boston Red Sox signed Herm Winningham as a free agent.
- January 30, 1992
The Milwaukee Brewers signed Edgar Cáceres as a free agent.
The Chicago Cubs signed Jim Clancy as a free agent.
The San Francisco Giants signed Steve Lake as a free agent.
The San Diego Padres signed Phil Stephenson as a free agent.
- January 31, 1992
The Kansas City Royals signed Jim Eisenreich as a free agent.
The Kansas City Royals signed Jerry Don Gleaton as a free agent.
The Cleveland Indians signed Nelson Liriano as a free agent.
The Baltimore Orioles signed Dennis Rasmussen as a free agent.
- February 1, 1992
The San Francisco Giants signed Brent Cookson as a free agent.
- February 2, 1992
The Seattle Mariners signed Jim Acker as a free agent.
The New York Mets signed Mitch Lyden as a free agent.
The Cincinnati Reds signed Al Newman as a free agent.
The California Angels signed Ken Oberkfell as a free agent.
- February 3, 1992
The Chicago White Sox signed Nelson Santovenia as a free agent.
The Houston Astros signed Edgar Ramos as an amateur free agent.
- February 4, 1992
The Texas Rangers signed Don Carman as a free agent.
The Philadelphia Phillies signed Greg Mathews as a free agent.
The Oakland Athletics purchased Keith Lockhart from the Cincinnati Reds.
- February 5, 1992
The Baltimore Orioles signed Mark McLemore as a free agent.
The Baltimore Orioles signed Mark Parent as a free agent.
The Montreal Expos released Scott Davison.
- February 7, 1992
The Oakland Athletics signed Jeff Parrett as a free agent.
- February 8, 1992
The Kansas City Royals signed Rich Sauveur as a free agent.
- February 9, 1992
The Atlanta Braves signed Dave Pavlas as a free agent.
- February 10, 1992
The Texas Rangers signed Lance McCullers as a free agent.
- February 12, 1992
The Montreal Expos signed Rick Cerone as a free agent.
The California Angels signed John Farrell as a free agent.
The Chicago White Sox signed Atlee Hammaker as a free agent.
The Kansas City Royals signed Curt Young as a free agent.
The Pittsburgh Pirates signed Wiki González as an amateur free agent.
- February 14, 1992
The California Angels signed Alvin Davis as a free agent.
The Montreal Expos signed Terry Leach as a free agent.
The Chicago White Sox signed Jeff Schwarz as a free agent.
The Montreal Expos signed José Macias as an amateur free agent.
The Florida Marlins signed Édgar Rentería as an amateur free agent.
- February 15, 1992
The Cleveland Indians signed Alan Cockrell as a free agent.
- February 16, 1992
The Atlanta Braves signed Eddie Williams as a free agent.
- February 17, 1992
The Baltimore Orioles traded Tom Martin and Craig Worthington to the San Diego Padres for Steve Martin (minors) and Jim Lewis.
- February 18, 1992
The Detroit Tigers signed Rick Renteria as a free agent.
The Detroit Tigers signed Willis Roberts as an amateur free agent.
- February 19, 1992
The Seattle Mariners signed Shane Turner as a free agent.
- February 23, 1992
The Milwaukee Brewers signed Scott Fletcher as a free agent.
The Kansas City Royals signed Dan Rohrmeier as a free agent.
- February 24, 1992
The California Angels signed Mike Fitzgerald as a free agent.
The Oakland Athletics signed Mike Raczka as a free agent.
- February 25, 1992
The Cleveland Indians signed Brad Arnsberg as a free agent.
The New York Mets signed Daryl Boston as a free agent.
- February 26, 1992
The Kansas City Royals signed Mendy López as an amateur free agent.
- February 27, 1992
The Los Angeles Dodgers signed Juan Samuel as a free agent.
- February 28, 1992
The Detroit Tigers signed Steve Ontiveros as a free agent.
The Atlanta Braves signed Alejandro Peña as a free agent.
The San Diego Padres signed Kurt Stillwell as a free agent.
- February 29, 1992
The San Diego Padres signed Mark Knudson as a free agent.
The New York Yankees traded Alan Mills to the Baltimore Orioles for players to be named later. The Baltimore Orioles sent Francisco de la Rosa (March 5, 1992) and Mark Carper (minors) (June 8, 1992) to the New York Yankees to complete the trade.
- March 5, 1992
The Atlanta Braves signed Pascual Matos as an amateur free agent.
- March 9, 1992
The Seattle Mariners signed John Moses as a free agent.
- March 10, 1992
The Kansas City Royals traded Kirk Gibson to the Pittsburgh Pirates for Neal Heaton.
Bo Jackson of the Chicago White Sox granted free agency.
The Chicago White Sox signed Bo Jackson as a free agent.
- March 11, 1992
The Pittsburgh Pirates signed Dennis Lamp as a free agent.
The New York Mets released Micah Franklin.
- March 12, 1992
The California Angels signed Oddibe McDowell as a free agent.
- March 15, 1992
The Baltimore Orioles released Dwight Evans.
- March 16, 1992
The Oakland Athletics signed Jim Corsi as a free agent.
- March 17, 1992
The New York Yankees released Álvaro Espinoza.
The Cincinnati Reds released Bob Geren.
The California Angels released Dave Johnson.
The Minnesota Twins traded Midre Cummings and Denny Neagle to the Pittsburgh Pirates for John Smiley.
- March 18, 1992
Doug Jennings of the Oakland Athletics granted free agency.
The Chicago White Sox released Atlee Hammaker.
- March 19, 1992
The Toronto Blue Jays signed Alfredo Griffin as a free agent.
The Pittsburgh Pirates released Bill Landrum.
- March 20, 1992
The Detroit Tigers signed Fernando Valenzuela as a free agent.
The Oakland Athletics selected Vince Horsman off waivers from the Toronto Blue Jays.
The San Diego Padres selected Steve Pegues off waivers from the Detroit Tigers.
- March 21, 1992
The California Angels signed Dave Johnson as a free agent.
- March 23, 1992
The California Angels released Gary Buckels.
The Oakland Athletics released Jim Deshaies.
- March 24, 1992
The Montreal Expos signed Rick DeHart as an amateur free agent.
Josías Manzanillo of the Boston Red Sox granted free agency.
- March 25, 1992
The California Angels released Shawn Abner.
- March 26, 1992
The Cincinnati Reds released Russ Morman.
The Kansas City Royals released Kevin Seitzer.
The Milwaukee Brewers traded Geoff Kellogg (minors) and Gary Sheffield to the San Diego Padres for Ricky Bones, Matt Mieske and José Valentín.
- March 27, 1992
The Baltimore Orioles returned Darrell Sherman (earlier draft pick) to the San Diego Padres.
The Cincinnati Reds signed Micah Franklin as a free agent.
The Montreal Expos released Nelson Cruz.
The Toronto Blue Jays released Eric Plunk.
- March 28, 1992
The Texas Rangers signed Steve Balboni as a free agent.
The Cleveland Indians released Steve Gajkowski.
The Cleveland Indians traded Curt Leskanic and Oscar Muñoz to the Minnesota Twins for Paul Sorrento.
- March 29, 1992
The Seattle Mariners signed Dave Schmidt as a free agent.
The California Angels purchased Steve Frey from the Montreal Expos.
The Milwaukee Brewers released Dave Leiper.
- March 30, 1992
The Chicago Cubs released Jamie Moyer.
The San Diego Padres released Craig Worthington.
The Chicago Cubs traded George Bell to the Chicago White Sox for Ken Patterson and Sammy Sosa.
The New York Mets traded Terry Bross to the San Diego Padres for Craig Bullock (minors).
- March 31, 1992
The San Francisco Giants returned Rafael Quirico (earlier draft pick) to the New York Yankees.
The Baltimore Orioles signed Doug Jennings as a free agent.
The Cleveland Indians released Mike Aldrete.
The Cleveland Indians released Jerry Browne.
The Montreal Expos released George Canale.
The San Francisco Giants released Eric Gunderson.
The Chicago Cubs released Les Lancaster.
The Cincinnati Reds released Tim Layana.
The San Francisco Giants released Rafael Novoa.
The Atlanta Braves released Dave Pavlas.
- April 1, 1992
The Seattle Mariners returned Donnie Elliott (earlier draft pick) to the Philadelphia Phillies.
The Montreal Expos signed Bill Landrum as a free agent.
The Milwaukee Brewers released Mario Díaz.
The Atlanta Braves released Mike Heath.
The Cincinnati Reds released Al Newman.
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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