All Transactions
Transactions listed are from November 1 of previous year to April 1 of the following year.
- November 16, 1957
The Chicago Cubs traded Casey Wise to the Milwaukee Braves for Leonard Williams (minors), Ben Johnson, Chick King and cash.
- November 20, 1957
The Detroit Tigers traded a player to be named later, Kent Hadley, Frank House, Duke Maas, Jim Small, John Tsitouris and Bill Tuttle to the Kansas City Athletics for Billy Martin, Mickey McDermott, Tom Morgan, Lou Skizas, Tim Thompson and Gus Zernial. The Detroit Tigers sent Jim McManus (April 3, 1958) to the Kansas City Athletics to complete the trade.
- November 25, 1957
The Washington Senators released Joe Black.
- November 26, 1957
The Chicago Cubs released Charlie Silvera.
- December 2, 1957
The Kansas City Athletics drafted Harry Chiti from the New York Yankees in the 1957 rule 5 draft.
The Boston Red Sox drafted Chuck Churn from the Pittsburgh Pirates in the 1957 rule 5 draft.
The St. Louis Cardinals drafted Tom Flanigan from the Chicago White Sox in the 1957 rule 5 draft.
The Cleveland Indians drafted Gary Geiger from the St. Louis Cardinals in the 1957 rule 5 draft.
The Philadelphia Phillies drafted Johnny Gray from the Cleveland Indians in the 1957 rule 5 draft.
The Baltimore Orioles drafted Bert Hamric from the Los Angeles Dodgers in the 1957 rule 5 draft.
The Washington Senators drafted Bobby Malkmus from the Milwaukee Braves in the 1957 rule 5 draft.
The Chicago Cubs drafted Tony Taylor from the San Francisco Giants in the 1957 rule 5 draft.
The St. Louis Cardinals drafted Ellis Burton from the Pittsburgh Pirates in the 1957 minor league draft.
The Detroit Tigers drafted Hy Cohen from the Chicago Cubs in the 1957 minor league draft.
The Kansas City Athletics drafted Ramón Conde from the San Francisco Giants in the 1957 minor league draft.
The Los Angeles Dodgers drafted Felipe Montemayor from Mexico City Tigers (Mexican) in the 1957 minor league draft.
The Los Angeles Dodgers drafted Tony Roig from the Washington Senators in the 1957 minor league draft.
The Chicago Cubs drafted Marcelino Solis from Saltillo (Central Mexican) in the 1957 minor league draft.
The St. Louis Cardinals drafted Karl Spooner from the Los Angeles Dodgers in the 1957 minor league draft.
The Los Angeles Dodgers drafted Walt Streuli from the Detroit Tigers in the 1957 minor league draft.
The St. Louis Cardinals drafted Lee Tate from the San Francisco Giants in the 1957 minor league draft.
- December 3, 1957
The Baltimore Orioles traded Tito Francona, Billy Goodman and Ray Moore to the Chicago White Sox for Larry Doby, Jack Harshman, Russ Heman and Jim Marshall.
- December 4, 1957
The Chicago White Sox traded Fred Hatfield and Minnie Miñoso to the Cleveland Indians for Al Smith and Early Wynn.
The Cincinnati Redlegs selected Bill Wight off waivers from the Baltimore Orioles.
- December 5, 1957
The Cincinnati Redlegs traded Curt Flood and Joe Taylor to the St. Louis Cardinals for Marty Kutyna, Willard Schmidt and Ted Wieand.
The Chicago Cubs traded Eddie Haas, Don Kaiser and Bob Rush to the Milwaukee Braves for Taylor Phillips and Sammy Taylor.
- December 9, 1957
The New York Yankees released Jerry Coleman.
The Cincinnati Redlegs traded Don Gross to the Pittsburgh Pirates for Bob Purkey.
- December 10, 1957
The Chicago Cubs traded Tom Poholsky to the San Francisco Giants for Freddy Rodríguez.
- December 11, 1957
The Philadelphia Phillies purchased Dave Philley from the Detroit Tigers.
- December 12, 1957
The Detroit Tigers purchased Jim Delsing from the Chicago White Sox.
The Detroit Tigers purchased George Spencer from the Chicago White Sox.
- December 16, 1957
Havana (International) purchased Marv Blaylock from the Philadelphia Phillies.
The Cincinnati Redlegs traded Wally Post to the Philadelphia Phillies for Harvey Haddix.
- December 17, 1957
The Boston Red Sox released Gene Mauch.
- December 18, 1957
The San Francisco Giants released Wes Westrum.
- December 19, 1957
The Philadelphia Phillies released Andy Seminick.
- December 23, 1957
The Cincinnati Redlegs signed Jim O'Toole as an amateur free agent.
- December 28, 1957
The Cincinnati Redlegs traded Ted Kluszewski to the Pittsburgh Pirates for Dee Fondy.
- Before 1958 Season
The St. Louis Cardinals signed Fred Whitfield as a free agent.
The Cleveland Indians signed Max Alvis as an amateur free agent.
The New York Yankees signed Rich Barry as an amateur free agent.
The Kansas City Athletics signed Norm Bass as an amateur free agent.
The St. Louis Cardinals signed Jim Beauchamp as an amateur free agent.
The Pittsburgh Pirates signed Ron Brand as an amateur free agent.
The Cleveland Indians signed Larry Brown as an amateur free agent.
The St. Louis Cardinals signed Bob Burda as an amateur free agent.
The Boston Red Sox signed Galen Cisco as an amateur free agent.
The New York Yankees signed Horace Clarke as an amateur free agent.
The San Francisco Giants signed Charlie Dees as an amateur free agent.
The Cleveland Indians signed Miguel de la Hoz as an amateur free agent.
The Pittsburgh Pirates signed Jim Dickson as an amateur free agent.
The Cleveland Indians signed Doc Edwards as an amateur free agent.
The Detroit Tigers signed Dick Egan as an amateur free agent.
The Pittsburgh Pirates signed Larry Elliot as an amateur free agent.
The Detroit Tigers signed Lorencito Fernández as an amateur free agent.
The San Francisco Giants signed Eddie Fisher as an amateur free agent.
The Detroit Tigers signed Larry Foster as an amateur free agent.
The Detroit Tigers signed Doug Gallagher as an amateur free agent.
The New York Yankees signed Pedro González as an amateur free agent.
The San Francisco Giants signed Tom Haller as an amateur free agent.
The San Francisco Giants signed Ron Herbel as an amateur free agent.
The Milwaukee Braves signed Rick Herrscher as an amateur free agent.
The Chicago White Sox signed Dennis Higgins as an amateur free agent.
The Kansas City Athletics signed Dick Howser as an amateur free agent.
The St. Louis Cardinals signed Dick Hughes as an amateur free agent.
The Detroit Tigers signed Bob Humphreys as an amateur free agent.
The Cincinnati Redlegs signed Ken Hunt as an amateur free agent.
The St. Louis Cardinals signed Charlie James as an amateur free agent.
The Milwaukee Braves signed Mack Jones as an amateur free agent.
The St. Louis Cardinals signed Chris Krug as an amateur free agent.
The Cleveland Indians signed Jack Kubiszyn as an amateur free agent.
The Cleveland Indians signed Jim Lawrence as an amateur free agent.
The Baltimore Orioles signed Jim Lehew as an amateur free agent.
The San Francisco Giants signed Dick LeMay as an amateur free agent.
The New York Yankees signed Don Lock as an amateur free agent.
The Cleveland Indians signed Ramón López as an amateur free agent.
The Pittsburgh Pirates signed Al McBean as an amateur free agent.
The Pittsburgh Pirates signed Orlando McFarlane as an amateur free agent.
The Chicago White Sox signed Jerry McNertney as an amateur free agent.
The New York Yankees signed Pete Mikkelsen as an amateur free agent.
The Cincinnati Redlegs signed Bob Moorhead as an amateur free agent.
The Boston Red Sox signed Al Moran as an amateur free agent.
The Baltimore Orioles signed Buster Narum as an amateur free agent.
The Detroit Tigers signed Ron Nischwitz as an amateur free agent.
The Baltimore Orioles signed John Papa as an amateur free agent.
The New York Yankees signed Joe Pepitone as an amateur free agent.
The Pittsburgh Pirates signed John Pregenzer as an amateur free agent.
The Los Angeles Dodgers signed Pete Richert as an amateur free agent.
The Los Angeles Dodgers signed Earl Robinson as an amateur free agent.
The Pittsburgh Pirates signed Vic Roznovsky as an amateur free agent.
The Cincinnati Redlegs signed Chico Ruiz as an amateur free agent.
The St. Louis Cardinals signed Ray Sadecki as an amateur free agent.
The St. Louis Cardinals signed Bob Sadowski as an amateur free agent.
The Milwaukee Braves signed Amado Samuel as an amateur free agent.
The Boston Red Sox signed Don Schwall as an amateur free agent.
The Washington Senators signed Johnnie Seale as an amateur free agent.
The Cincinnati Redlegs signed Diego Seguí as an amateur free agent.
The St. Louis Cardinals signed Mike Shannon as an amateur free agent.
The Cleveland Indians signed Sonny Siebert as an amateur free agent.
The San Francisco Giants signed José Tartabull as an amateur free agent.
The New York Yankees signed Tom Tresh as an amateur free agent.
The Pittsburgh Pirates signed Bob Veale as an amateur free agent.
The San Francisco Giants signed Freddie Velázquez as an amateur free agent.
The Washington Senators signed Zoilo Versalles as an amateur free agent.
The San Francisco Giants signed José Vidal as an amateur free agent.
The Baltimore Orioles signed Pete Ward as an amateur free agent.
The Chicago Cubs signed Jack Warner as an amateur free agent.
The Cleveland Indians signed Jim Weaver as an amateur free agent.
The Detroit Tigers signed Don Wert as an amateur free agent.
The New York Yankees signed Dooley Womack as an amateur free agent.
The Boston Red Sox signed Tom Borland as a free agent.
The Detroit Tigers signed George Smith as a free agent.
The Milwaukee Braves obtained Cecil Butler from Atlanta (Southern Association) as part of a minor league working agreement.
The Cincinnati Redlegs obtained Chuck Coles from Albuquerque (Western) as part of a minor league working agreement.
The Milwaukee Braves released Chet Nichols.
Manny Jiménez sent from Ciudad Juarez (Mexican) to the Milwaukee Braves in an unknown transaction.
Hector Martinez sent from the Milwaukee Braves to the Cleveland Indians in an unknown transaction.
Ed Olivares sent from the Philadelphia Phillies to the St. Louis Cardinals in an unknown transaction.
Marshall Renfroe sent from the New York Yankees to the San Francisco Giants in an unknown transaction.
John Romonosky sent from Syracuse (Eastern) to the Washington Senators in an unknown transaction.
Jim Snyder sent from the Chicago Cubs to the Philadelphia Phillies in an unknown transaction.
Moe Thacker sent from the New York Yankees to the Chicago Cubs in an unknown transaction.
Maury Wills sent from the Cincinnati Redlegs to the Los Angeles Dodgers in an unknown transaction.
The Cincinnati Redlegs released Minnie Mendoza.
The Washington Senators signed Minnie Mendoza as a free agent.
- January 8, 1958
The Chicago Cubs signed Ted Tappe as a free agent.
- January 18, 1958
The Boston Red Sox signed Bob Tillman as an amateur free agent.
- January 23, 1958
The Boston Red Sox traded Albie Pearson and Norm Zauchin to the Washington Senators for Pete Runnels.
- January 26, 1958
The Baltimore Orioles signed Dave Nicholson as an amateur free agent.
- January 28, 1958
The Kansas City Athletics signed Murry Dickson as a free agent.
The Philadelphia Phillies signed Jacke Davis as an amateur free agent.
The Detroit Tigers traded Jim Finigan and $25,000 to the San Francisco Giants for Gail Harris and Ozzie Virgil.
- January 29, 1958
The Boston Red Sox purchased Art Schult from the Washington Senators.
The Cleveland Indians selected Mickey Vernon off waivers from the Boston Red Sox.
- February 18, 1958
The Cleveland Indians traded Hank Aguirre and Jim Hegan to the Detroit Tigers for Jay Porter and Hal Woodeshick.
- February 25, 1958
The Los Angeles Dodgers purchased Solly Drake from the Chicago Cubs. (Date given is approximate. Exact date is uncertain.)
The Cleveland Indians traded Pete Mesa (minors) to the Washington Senators for Milt Bolling.
- March 5, 1958
The Los Angeles Dodgers signed Frank Howard as an amateur free agent.
- March 18, 1958
Spokane (Pacific Coast) purchased Glen Gorbous from the St. Louis Cardinals.
- March 20, 1958
The Philadelphia Phillies purchased Joe Collins from the New York Yankees.
- March 21, 1958
The Chicago White Sox purchased Don Mueller from the San Francisco Giants.
- March 24, 1958
The Baltimore Orioles purchased Foster Castleman from the San Francisco Giants for $30,000.
- March 26, 1958
The San Francisco Giants returned Dave Jolly to the Milwaukee Braves following previous purchase.
The Cleveland Indians selected Chuck Churn off waivers from the Boston Red Sox.
- March 27, 1958
The Cleveland Indians traded Milt Bolling and Vito Valentinetti to the Detroit Tigers for Pete Wojey and $20,000.
- March 30, 1958
The Milwaukee Braves purchased Dick Littlefield from the Chicago Cubs.
- April 1, 1958
The Baltimore Orioles traded Larry Doby and Don Ferrarese to the Cleveland Indians for Bud Daley, Dick Williams and Gene Woodling.
- April 2, 1958
The San Francisco Giants traded Ray Katt to the St. Louis Cardinals for Jim King.
- April 3, 1958
The Cleveland Indians signed Steve Hamilton as an amateur free agent.
The Detroit Tigers purchased Stan Palys from the Cincinnati Redlegs.
The Chicago Cubs traded Bob Speake and cash to the San Francisco Giants for Bobby Thomson.
- April 8, 1958
The Cleveland Indians purchased Steve Ridzik from the San Francisco Giants.
- April 10, 1958
The Detroit Tigers purchased Jim Fridley from the Los Angeles Dodgers. (Date given is approximate. Exact date is uncertain.)
- April 11, 1958
The Cincinnati Redlegs purchased Jim Fridley from the Detroit Tigers. (Date given is approximate. Exact date is uncertain.)
- April 14, 1958
The Baltimore Orioles released Art Houtteman.
The Detroit Tigers signed Art Houtteman as a free agent.
- April 15, 1958
The Kansas City Athletics sent Ramón Conde to the Philadelphia Phillies as part of a conditional deal. (Date given is approximate. Exact date is uncertain.)
- April 16, 1958
The Cincinnati Redlegs signed Vic Davalillo as an amateur free agent.
- April 17, 1958
The Baltimore Orioles traded Bud Daley to the Kansas City Athletics for Arnie Portocarrero.
- April 19, 1958
The St. Louis Cardinals selected Phil Paine off waivers from the Milwaukee Braves.
- April 21, 1958
The Cincinnati Redlegs released Diego Seguí.
- April 23, 1958
The Cincinnati Redlegs traded Bob Kelly to the Cleveland Indians for Fred Hatfield.
- April 30, 1958
The Chicago White Sox purchased Tom Qualters from the Philadelphia Phillies.
- May 1, 1958
The Boston Red Sox traded Ken Aspromonte to the Washington Senators for Lou Berberet.
- May 5, 1958
The Cincinnati Redlegs purchased Chuck Churn from the Cleveland Indians. (Date given is approximate. Exact date is uncertain.)
- May 6, 1958
The Chicago Cubs purchased Paul Smith from the Pittsburgh Pirates.
The Philadelphia Phillies released Saul Rogovin. (Date given is approximate. Exact date is uncertain.)
- May 7, 1958
The Philadelphia Phillies signed Dennis Bennett as an amateur free agent.
The Pittsburgh Pirates purchased Bob Porterfield from the Boston Red Sox.
- May 8, 1958
The Chicago Cubs traded Turk Lown to the Cincinnati Redlegs for Hersh Freeman.
- May 9, 1958
The Detroit Tigers purchased Herm Wehmeier from the St. Louis Cardinals.
- May 12, 1958
The Detroit Tigers selected George Susce off waivers from the Boston Red Sox.
- May 14, 1958
The Washington Senators purchased Al Cicotte from the New York Yankees.
The Kansas City Athletics purchased Whitey Herzog from the Washington Senators.
The Kansas City Athletics purchased Bobby Morgan from the Chicago Cubs.
The Philadelphia Phillies purchased Jerry Snyder from the Washington Senators.
- May 16, 1958
The Baltimore Orioles released Eddie Miksis.
- May 17, 1958
The Cincinnati Redlegs signed Eddie Miksis as a free agent.
The San Francisco Giants released Nick Testa.
- May 18, 1958
The Cleveland Indians purchased Fred Hatfield from the Cincinnati Redlegs.
- May 20, 1958
The New York Yankees purchased Bob Wiesler from the Washington Senators. (Date given is approximate. Exact date is uncertain.)
The Philadelphia Phillies released Roy Smalley.
The Cincinnati Redlegs released Bill Wight.
The Chicago Cubs traded Jim Brosnan to the St. Louis Cardinals for Al Dark.
- May 21, 1958
The St. Louis Cardinals signed Roy Smalley as a free agent.
The St. Louis Cardinals signed Bill Wight as a free agent.
- May 23, 1958
The Milwaukee Braves signed Tony Cloninger as an amateur free agent.
- May 24, 1958
The Detroit Tigers purchased Bob Hazle from the Milwaukee Braves.
- May 26, 1958
The Detroit Tigers traded Ben Mateosky (minors) to the St. Louis Cardinals for Barney Schultz.
- May 27, 1958
The Milwaukee Braves signed Denis Menke as an amateur free agent.
- May 28, 1958
The Milwaukee Braves signed Tommie Aaron as an amateur free agent.
- May 29, 1958
The Cleveland Indians released Mike Garcia.
- June, 1958
The Chicago White Sox released Jack Kralick.
Jim Duffalo sent from the Pittsburgh Pirates to the San Francisco Giants in an unknown transaction. (Date given is approximate. Exact date is uncertain.)
- June 2, 1958
The Chicago Cubs signed Morrie Steevens as an amateur free agent.
The Baltimore Orioles purchased Lou Sleater from the Detroit Tigers.
- June 3, 1958
The San Francisco Giants signed Gaylord Perry as an amateur free agent.
- June 5, 1958
The Philadelphia Phillies signed Cal Emery as an amateur free agent.
- June 7, 1958
The Cleveland Indians selected Jim Constable off waivers from the San Francisco Giants.
- June 8, 1958
The Philadelphia Phillies signed Danny Cater as an amateur free agent.
- June 9, 1958
The Chicago Cubs signed Ron Perranoski as an amateur free agent.
- June 12, 1958
The Cleveland Indians traded Chico Carrasquel to the Kansas City Athletics for Billy Hunter.
- June 13, 1958
The Baltimore Orioles signed Herm Starrette as an amateur free agent.
The Milwaukee Braves traded Carl Sawatski to the Philadelphia Phillies for Joe Lonnett.
- June 14, 1958
The St. Louis Cardinals purchased Sal Maglie from the New York Yankees.
- June 15, 1958
The Chicago White Sox traded Bill Fischer and Tito Francona to the Detroit Tigers for Ray Boone and Bob Shaw.
The Pittsburgh Pirates traded Gene Freese and Johnny O'Brien to the St. Louis Cardinals for Dick Schofield and cash.
The Cincinnati Redlegs traded players to be named later, Steve Bilko and Johnny Klippstein to the Los Angeles Dodgers for Don Newcombe. The Cincinnati Redlegs sent Art Fowler (June 23, 1958) and Charlie Rabe (June 23, 1958) to the Los Angeles Dodgers to complete the trade.
The Kansas City Athletics traded Duke Maas and Virgil Trucks to the New York Yankees for Bob Grim and Harry Simpson.
The Cleveland Indians traded Roger Maris, Dick Tomanek and Preston Ward to the Kansas City Athletics for Woodie Held and Vic Power.
- June 16, 1958
The Chicago Cubs signed Dick Ellsworth as an amateur free agent.
The Milwaukee Braves signed Denny Lemaster as an amateur free agent.
The Chicago Cubs traded Freddy Rodríguez to the Kansas City Athletics for Dave Melton.
- June 17, 1958
Sacramento (Pacific Coast) purchased Bob Ross from the Milwaukee Braves.
- June 18, 1958
The Milwaukee Braves signed Larry Maxie as an amateur free agent.
- June 20, 1958
The Los Angeles Dodgers signed Willie Davis as an amateur free agent.
- June 23, 1958
The Los Angeles Dodgers released Rube Walker.
The Detroit Tigers traded Vito Valentinetti to the Washington Senators for Al Cicotte.
The Cincinnati Redlegs selected Alex Kellner off waivers from the Kansas City Athletics.
The Chicago White Sox selected Turk Lown off waivers from the Cincinnati Redlegs.
- June 24, 1958
The Los Angeles Dodgers signed Ron Fairly as an amateur free agent.
The Boston Red Sox traded Jack Spring to the Washington Senators for Bud Byerly. Jack Spring returned to original team on July 11, 1958. The Boston Red Sox sent Joe Albanese (July 11, 1958) to the Washington Senators to complete the trade.
The Cincinnati Redlegs selected Walt Dropo off waivers from the Chicago White Sox.
- June 27, 1958
The Chicago White Sox released Jerry Dahlke.
- June 30, 1958
The Detroit Tigers signed Mickey Lolich as an amateur free agent.
- July, 1958
The Boston Red Sox signed Guido Grilli as an amateur free agent.
The Chicago White Sox traded Bobby Winkles to the Philadelphia Phillies for Jim Snyder.
- July 2, 1958
The Cleveland Indians released Bob Lemon.
The Cleveland Indians selected Morrie Martin off waivers from the St. Louis Cardinals.
- July 8, 1958
Sacramento (PCL) sent Cuno Barragan to the Chicago Cubs as part of a conditional deal.
- July 9, 1958
The Philadelphia Phillies signed John Boozer as an amateur free agent.
The St. Louis Cardinals selected Chuck Stobbs off waivers from the Washington Senators.
- July 12, 1958
The Washington Senators selected Jim Constable off waivers from the Cleveland Indians.
- July 15, 1958
Jim King sent from the San Francisco Giants to Toronto (International) in an unknown transaction.
- July 19, 1958
The Milwaukee Braves signed Phil Niekro as an amateur free agent.
- July 20, 1958
The Cleveland Indians traded Stu Locklin to the Boston Red Sox for unknown compensation. (Date given is approximate. Exact date is uncertain.)
- July 21, 1958
The Philadelphia Phillies signed Dwight Siebler as an amateur free agent.
The Pittsburgh Pirates purchased Harry Bright from Sacramento (PCL).
- July 23, 1958
The Philadelphia Phillies signed Gus Niarhos as a free agent.
- July 25, 1958
The Baltimore Orioles selected Joe Taylor off waivers from the St. Louis Cardinals.
- July 26, 1958
The Chicago Cubs released Ted Tappe.
- July 27, 1958
The Detroit Tigers traded Jim Hegan to the Philadelphia Phillies for John Turk (minors) and cash.
- July 31, 1958
The Philadelphia Phillies signed Norm Gigon as an amateur free agent.
- August 1, 1958
The Philadelphia Phillies released Gus Niarhos.
- August 4, 1958
The Cleveland Indians purchased Randy Jackson from the Los Angeles Dodgers.
- August 7, 1958
The Pittsburgh Pirates signed Willie Stargell as an amateur free agent.
- August 10, 1958
Columbus (International) purchased Lynn Lovenguth from the St. Louis Cardinals.
- August 15, 1958
The Los Angeles Dodgers purchased Ramón Conde from the Philadelphia Phillies. (Date given is approximate. Exact date is uncertain.)
- August 22, 1958
The Kansas City Athletics traded Murry Dickson to the New York Yankees for Zeke Bella and cash.
- August 23, 1958
The Chicago Cubs selected Jim Marshall off waivers from the Baltimore Orioles.
The Baltimore Orioles selected Hoyt Wilhelm off waivers from the Cleveland Indians.
- August 25, 1958
The San Francisco Giants signed Jesús Alou as an amateur free agent.
- September, 1958
The Boston Red Sox signed Chuck Schilling as an amateur free agent.
- September 2, 1958
The Baltimore Orioles signed Jerry Adair as an amateur free agent.
- September 11, 1958
The Washington Senators selected Bill Fischer off waivers from the Detroit Tigers.
- September 12, 1958
The Washington Senators signed Jack Kralick as a free agent.
- September 13, 1958
The Philadelphia Phillies signed Lee Elia as an amateur free agent.
- September 26, 1958
The Kansas City Athletics purchased Diego Seguí from Tucson (Arizona-Mexico).
- September 29, 1958
The Philadelphia Phillies traded Solly Hemus to the St. Louis Cardinals for Gene Freese.
- October, 1958
The Baltimore Orioles traded Jim Brideweser and Art Ceccarelli to the San Francisco Giants for Jim Finigan.
- October 2, 1958
The Baltimore Orioles traded Dick Williams to the Kansas City Athletics for Chico Carrasquel.
The Philadelphia Phillies selected Ken Lehman off waivers from the Baltimore Orioles.
- October 3, 1958
The Cincinnati Redlegs traded George Crowe, Alex Grammas and Alex Kellner to the St. Louis Cardinals for Del Ennis, Eddie Kasko and Bob Mabe.
- October 5, 1958
The Detroit Tigers purchased Pete Burnside from the San Francisco Giants.
- October 6, 1958
The Boston Red Sox sent Al Schroll to the Philadelphia Phillies as part of a conditional deal.
- October 7, 1958
The San Francisco Giants traded Ernie Broglio and Marv Grissom to the St. Louis Cardinals for Hobie Landrith, Billy Muffett and Benny Valenzuela.
- October 13, 1958
The Los Angeles Dodgers sent Maury Wills to the Detroit Tigers as part of a conditional deal.
- October 15, 1958
The St. Louis Cardinals purchased Marshall Bridges from Sacramento (PCL).
- October 17, 1958
The St. Louis Cardinals released Solly Hemus.
The St. Louis Cardinals released Bill Wight.
- October 27, 1958
The Cleveland Indians traded Jay Porter to the Washington Senators for Ossie Álvarez.
- November 19, 1958
The St. Louis Cardinals released Ray Katt.
- November 20, 1958
The Cleveland Indians traded Ossie Álvarez, Don Mossi and Ray Narleski to the Detroit Tigers for Al Cicotte and Billy Martin.
- November 29, 1958
The Boston Red Sox signed Carl Yastrzemski as an amateur free agent.
- December, 1958
Houston (American Association) purchased Pidge Browne from the St. Louis Cardinals. (Date given is approximate. Exact date is uncertain.)
- December 1, 1958
The Chicago Cubs drafted Art Ceccarelli from the San Francisco Giants in the 1958 rule 5 draft.
The St. Louis Cardinals drafted Joe Durham from the Baltimore Orioles in the 1958 rule 5 draft.
The Pittsburgh Pirates drafted Rocky Nelson from Toronto (International) in the 1958 rule 5 draft.
The Philadelphia Phillies drafted Johnny O'Brien from the St. Louis Cardinals in the 1958 rule 5 draft.
The Milwaukee Braves drafted Jim Pisoni from the New York Yankees in the 1958 rule 5 draft.
The Chicago White Sox drafted Claude Raymond from the Milwaukee Braves in the 1958 rule 5 draft.
The Chicago White Sox drafted Lou Skizas from the Detroit Tigers in the 1958 rule 5 draft.
The Kansas City Athletics drafted Wayne Terwilliger from the Detroit Tigers in the 1958 rule 5 draft.
The Cleveland Indians drafted Ray Webster from Sacramento (PCL) in the 1958 rule 5 draft.
- December 2, 1958
The San Francisco Giants drafted Chuck Hiller from the Cleveland Indians in the 1958 minor league draft.
The Pittsburgh Pirates drafted John Oldham from the Cincinnati Redlegs in the 1958 minor league draft.
The Cincinnati Redlegs drafted Dave Stenhouse from the Chicago Cubs in the 1958 minor league draft.
The Kansas City Athletics drafted Jay Ward from the New York Yankees in the 1958 minor league draft.
The Philadelphia Phillies signed John Herrnstein as an amateur free agent.
The Baltimore Orioles traded Russ Heman and $30,000 to the Cleveland Indians for Bobby Ávila.
The Boston Red Sox traded Lou Berberet to the Detroit Tigers for Herb Moford.
The Boston Red Sox traded Jim Piersall to the Cleveland Indians for Gary Geiger and Vic Wertz.
- December 3, 1958
The Cincinnati Redlegs traded Nino Escalera to the Pittsburgh Pirates for Luis Arroyo.
The Philadelphia Phillies traded Chuck Essegian to the St. Louis Cardinals for Rubén Amaro Sr..
The Philadelphia Phillies traded Jack Sanford to the San Francisco Giants for Rubén Gómez and Valmy Thomas.
- December 4, 1958
The New York Yankees signed Jim Bouton as an amateur free agent.
The Los Angeles Dodgers traded Gino Cimoli to the St. Louis Cardinals for Wally Moon and Phil Paine.
- December 5, 1958
The San Francisco Giants released Joey Amalfitano.
- December 6, 1958
The Detroit Tigers traded Reno Bertoia, Jim Delsing and Ron Samford to the Washington Senators for Rocky Bridges, Neil Chrisley and Eddie Yost.
- December 15, 1958
The Baltimore Orioles traded Jim Busby to the Boston Red Sox for Billy Klaus.
- December 23, 1958
The Los Angeles Dodgers traded Sparky Anderson to the Philadelphia Phillies for Jim Golden, Rip Repulski and Gene Snyder.
The Milwaukee Braves released Ernie Johnson.
The Baltimore Orioles signed Ernie Johnson as a free agent.
- December 30, 1958
The Los Angeles Dodgers released Pee Wee Reese.
- Before 1959 Season
The Los Angeles Dodgers signed Choo-Choo Coleman as a free agent.
The St. Louis Cardinals signed Solly Hemus as a free agent.
The St. Louis Cardinals signed Ray Katt as a free agent.
The Boston Red Sox signed Chet Nichols as a free agent.
The Chicago White Sox signed Dan Osinski as a free agent.
The Milwaukee Braves signed Luis Alcaraz as an amateur free agent.
The Pittsburgh Pirates signed Gene Alley as an amateur free agent.
The San Francisco Giants signed Bob Barton as an amateur free agent.
The Kansas City Athletics signed Ray Blemker as an amateur free agent.
The Washington Senators signed Joe Bonikowski as an amateur free agent.
The St. Louis Cardinals signed Weldon Bowlin as an amateur free agent.
The Pittsburgh Pirates signed Darrell Brandon as an amateur free agent.
The Milwaukee Braves signed Bruce Brubaker as an amateur free agent.
The Washington Senators signed Fred Bruckbauer as an amateur free agent.
The St. Louis Cardinals signed Jerry Buchek as an amateur free agent.
The Chicago Cubs signed Dick Burwell as an amateur free agent.
The New York Yankees signed Frank Carpin as an amateur free agent.
The Baltimore Orioles signed Dean Chance as an amateur free agent.
The Los Angeles Dodgers signed Bobby Cox as an amateur free agent.
The New York Yankees signed Jack Cullen as an amateur free agent.
The Detroit Tigers signed Pat Dobson as an amateur free agent.
The Detroit Tigers signed Paul Doyle as an amateur free agent.
The Cincinnati Reds signed Johnny Edwards as an amateur free agent.
The Milwaukee Braves signed Dave Eilers as an amateur free agent.
The St. Louis Cardinals signed Harry Fanok as an amateur free agent.
The Los Angeles Dodgers signed Al Ferrara as an amateur free agent.
The Milwaukee Braves signed Hank Fischer as an amateur free agent.
The Cleveland Indians signed Jerry Fosnow as an amateur free agent.
The Cincinnati Reds signed Gus Gil as an amateur free agent.
The Detroit Tigers signed Purnal Goldy as an amateur free agent.
The St. Louis Cardinals signed Lee Gregory as an amateur free agent.
The Milwaukee Braves signed Vern Handrahan as an amateur free agent.
The San Francisco Giants signed Bill Hands as an amateur free agent.
The Kansas City Athletics signed Ken Harrelson as an amateur free agent.
The Cincinnati Reds signed Tommy Helms as an amateur free agent.
The Milwaukee Braves signed Elrod Hendricks as an amateur free agent.
The Pittsburgh Pirates signed Ramón Hernández as an amateur free agent.
The Chicago White Sox signed Mike Hershberger as an amateur free agent.
The Chicago White Sox signed Jim Hicks as an amateur free agent.
The Chicago White Sox signed Joe Horlen as an amateur free agent.
The Chicago Cubs signed Ken Hubbs as an amateur free agent.
The Milwaukee Braves signed Ron Hunt as an amateur free agent.
The Washington Senators signed Jake Jacobs as an amateur free agent.
The New York Yankees signed Elvio Jiménez as an amateur free agent.
The Pittsburgh Pirates signed Rex Johnston as an amateur free agent.
The San Francisco Giants signed Rick Joseph as an amateur free agent.
The Milwaukee Braves signed Dick Kelley as an amateur free agent.
The Los Angeles Dodgers signed Bill Kelso as an amateur free agent.
The Cincinnati Reds signed Bobby Klaus as an amateur free agent.
The Detroit Tigers signed Andy Kosco as an amateur free agent.
The San Francisco Giants signed Coco Laboy as an amateur free agent.
The Cleveland Indians signed Gene Leek as an amateur free agent.
The Detroit Tigers signed Johnny Lewis as an amateur free agent.
The St. Louis Cardinals signed Jeoff Long as an amateur free agent.
The Cleveland Indians signed Al Luplow as an amateur free agent.
The Chicago Cubs signed Nelson Mathews as an amateur free agent.
The Pittsburgh Pirates signed Gene Michael as an amateur free agent.
The Los Angeles Dodgers signed Larry Miller as an amateur free agent.
The Kansas City Athletics signed John O'Donoghue as an amateur free agent.
The Los Angeles Dodgers signed Phil Ortega as an amateur free agent.
The Boston Red Sox signed Mike Page as an amateur free agent.
The Baltimore Orioles signed Boog Powell as an amateur free agent.
The Pittsburgh Pirates signed Bob Priddy as an amateur free agent.
The Baltimore Orioles signed Art Quirk as an amateur free agent.
The Washington Senators signed Chico Salmon as an amateur free agent.
The Kansas City Athletics signed José Santiago as an amateur free agent.
The Chicago Cubs signed Ron Santo as an amateur free agent.
The Baltimore Orioles signed Bob Saverine as an amateur free agent.
The Boston Red Sox signed Ted Schreiber as an amateur free agent.
The San Francisco Giants signed Wayne Schurr as an amateur free agent.
The Cleveland Indians signed Duke Sims as an amateur free agent.
The New York Yankees signed Hal Stowe as an amateur free agent.
The Detroit Tigers signed John Sullivan as an amateur free agent.
The Chicago White Sox signed Fred Talbot as an amateur free agent.
The San Francisco Giants signed Tim Talton as an amateur free agent.
The Kansas City Athletics signed Dave Thies as an amateur free agent.
The Cincinnati Reds signed César Tovar as an amateur free agent.
The Cleveland Indians signed Dave Vineyard as an amateur free agent.
The Chicago White Sox signed Al Weis as an amateur free agent.
The San Francisco Giants signed Fred Wenz as an amateur free agent.
The Cleveland Indians signed Mike White as an amateur free agent.
The Milwaukee Braves obtained Clay Dalrymple from Sacramento (PCL) as part of a minor league working agreement.
The Kansas City Athletics obtained George Freese from the Chicago Cubs as part of a minor league working agreement.
The Milwaukee Braves obtained Al Heist from Sacramento (PCL) as part of a minor league working agreement.
The St. Louis Cardinals returned Herb Adams to Houston (American Association) after expiration of minor league working agreement.
The New York Yankees returned Don Bradey to New Orleans (Southern Association) after expiration of minor league working agreement.
The Cleveland Indians released Hector Martinez.
The Los Angeles Dodgers released Elmer Valo.
The San Francisco Giants released Freddie Velázquez.
The Pittsburgh Pirates traded Dick Rand to the St. Louis Cardinals for Tom Burgess.
The Milwaukee Braves traded Jim Umbricht to the Pittsburgh Pirates for Emil Panko (minors).
Cuno Barragan sent from the Chicago Cubs to the Milwaukee Braves in an unknown transaction.
Rudy Hernández sent from the San Francisco Giants to the Washington Senators in an unknown transaction.
Manny Montejo sent from the Cincinnati Reds to the Chicago Cubs in an unknown transaction.
Johnnie Seale sent from the Washington Senators to the Chicago Cubs in an unknown transaction.
José Vidal sent from the San Francisco Giants to the Pittsburgh Pirates in an unknown transaction.
The Philadelphia Phillies returned John Anderson to Miami (International) after expiration of minor league working agreement.
The Kansas City Athletics returned Freddy Rodríguez to Buffalo (International) after expiration of minor league working agreement.
The Baltimore Orioles obtained John Anderson from Miami (International) as part of a minor league working agreement.
The Philadelphia Phillies obtained Freddy Rodríguez from Buffalo (International) as part of a minor league working agreement.
- January 7, 1959
The Cincinnati Reds purchased Frank Kellert from the Boston Red Sox.
- January 13, 1959
Toronto (International) purchased Joe Altobelli from the Cleveland Indians.
- January 21, 1959
The St. Louis Cardinals released Chuck Stobbs.
- January 23, 1959
The Cleveland Indians signed Mike Garcia as a free agent.
The Chicago Cubs traded Jim Bolger and John Briggs to the Cleveland Indians for Earl Averill and Morrie Martin.
- January 30, 1959
The Cincinnati Reds traded Smoky Burgess, Harvey Haddix and Don Hoak to the Pittsburgh Pirates for Whammy Douglas, Jim Pendleton, John Powers and Frank Thomas.
- February 2, 1959
The St. Louis Cardinals selected Billy Harrell off waivers from the Cleveland Indians.
- February 4, 1959
The Philadelphia Phillies sent Bob Miller to the St. Louis Cardinals as part of a conditional deal.
- February 9, 1959
The San Francisco Giants signed Mike Lee as an amateur free agent.
- February 14, 1959
The Baltimore Orioles purchased Whitey Lockman from the San Francisco Giants.
- March, 1959
Seattle (PCL) signed Elmer Valo as a free agent.
The Cincinnati Reds traded Marty Kutyna to the Kansas City Athletics for Walt Craddock.
- March 9, 1959
The Boston Red Sox traded Bob Smith to the Chicago Cubs for Chuck Tanner.
- March 15, 1959
The Boston Red Sox traded Dean Stone to the St. Louis Cardinals for Nelson Chittum.
- March 20, 1959
The Cincinnati Reds released Eddie Miksis.
- March 21, 1959
The Cleveland Indians traded Larry Doby to the Detroit Tigers for Tito Francona.
- March 23, 1959
The Chicago Cubs signed Ossie Chavarria as an amateur free agent.
- March 25, 1959
The San Francisco Giants traded Ray Jablonski and Bill White to the St. Louis Cardinals for Don Choate and Sam Jones.
- March 31, 1959
The Milwaukee Braves traded Gene Conley, Harry Hanebrink and Joe Koppe to the Philadelphia Phillies for Ted Kazanski, Stan Lopata and Johnny O'Brien.
- April, 1959
The St. Louis Cardinals returned Bob Miller to the Philadelphia Phillies as part of a conditional deal. (Date given is approximate. Exact date is uncertain.)
- April 1, 1959
The Cincinnati Reds signed Jim Maloney as an amateur free agent.
The Baltimore Orioles traded Billy Loes to the Washington Senators for Vito Valentinetti. Trade was voided and players returned on April 8, 1959.
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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