All Transactions
Transactions listed are from November 1 of previous year to April 1 of the following year.
- November 3, 1970
The Philadelphia Phillies traded a player to be named later and Curt Flood to the Washington Senators for Greg Goossen, Gene Martin and Jeff Terpko. The Philadelphia Phillies sent Jeff Terpko (April 10, 1971) to the Washington Senators to complete the trade.
- November 10, 1970
The Milwaukee Brewers released Mike Hershberger.
- November 24, 1970
The Baltimore Orioles signed Gil Flores as an amateur free agent.
- November 30, 1970
The St. Louis Cardinals drafted Cecil Cooper from the Boston Red Sox in the 1970 rule 5 draft.
The Washington Senators drafted Joe Foy from the New York Mets in the 1970 rule 5 draft.
The Detroit Tigers drafted John Gamble from the Los Angeles Dodgers in the 1970 rule 5 draft.
The California Angels drafted Fred Lasher from the Cleveland Indians in the 1970 rule 5 draft.
The San Diego Padres drafted Bill Laxton from the Philadelphia Phillies in the 1970 rule 5 draft.
The California Angels drafted John Stephenson from the San Francisco Giants in the 1970 rule 5 draft.
The Chicago Cubs drafted Ron Tompkins from the Milwaukee Brewers in the 1970 rule 5 draft.
The Minnesota Twins drafted Vic Albury from the San Diego Padres in the 1970 minor league draft.
The Chicago Cubs drafted Frank Coggins from the Cleveland Indians in the 1970 minor league draft.
The New York Mets drafted Bob Rauch from the Los Angeles Dodgers in the 1970 minor league draft.
The Minnesota Twins drafted Jim Strickland from the Los Angeles Dodgers in the 1970 minor league draft.
The Atlanta Braves drafted Freddie Velázquez from the Montreal Expos in the 1970 minor league draft.
The Atlanta Braves traded Hal Breeden to the Chicago Cubs for Hoyt Wilhelm.
The Baltimore Orioles traded Moe Drabowsky to the St. Louis Cardinals for Jerry DaVanon.
The Chicago Cubs traded Pat Jacquez, Dave Lemonds and Roe Skidmore to the Chicago White Sox for Ossie Blanco and José Ortiz.
The California Angels traded Tom Bradley, Tom Egan and Jay Johnstone to the Chicago White Sox for Ken Berry, Syd O'Brien and Billy Wynne.
The Chicago Cubs traded Willie Smith to the Cincinnati Reds for Danny Breeden.
- December 1, 1970
The Houston Astros purchased Jack Hiatt from the Chicago Cubs.
The Boston Red Sox traded Luis Alvarado and Mike Andrews to the Chicago White Sox for Luis Aparicio.
The Atlanta Braves traded Bob Aspromonte to the New York Mets for Ron Herbel.
The Baltimore Orioles traded Fred Beene, Enzo Hernández, Tom Phoebus and Al Severinsen to the San Diego Padres for Pat Dobson and Tom Dukes. Fred Beene returned to original team on May 16, 1971.
- December 2, 1970
The Kansas City Royals traded Ike Brookens to the St. Louis Cardinals for Tom Hilgendorf.
The Kansas City Royals traded Jim Campanis, Jackie Hernández and Bob Johnson to the Pittsburgh Pirates for Bruce Dal Canton, Jerry May and Freddie Patek.
The Atlanta Braves traded Bob Tillman to the Milwaukee Brewers for Paul Click (minors), John Ryan (minors) and Hank Allen.
- December 3, 1970
The Boston Red Sox purchased Don Bryant from the Houston Astros.
The Boston Red Sox traded Carmen Fanzone to the Chicago Cubs for Phil Gagliano.
The Chicago White Sox traded Barry Moore to the New York Yankees for Bill Robinson.
- December 4, 1970
The San Diego Padres traded Steve Huntz to the San Francisco Giants for William Frost (minors) and Don Mason.
- December 5, 1970
The Detroit Tigers purchased Wayne Comer from the Washington Senators.
- December 11, 1970
The Cleveland Indians traded Duke Sims to the Los Angeles Dodgers for Alan Foster and Ray Lamb.
- December 12, 1970
The Chicago White Sox released Lee Stange.
- December 15, 1970
The California Angels traded Greg Garrett to the Cincinnati Reds for Jim Maloney.
- December 16, 1970
The Baltimore Orioles traded Roger Freed to the Philadelphia Phillies for Jim Hutto, Grant Jackson and Sam Parrilla.
- December 22, 1970
The Atlanta Braves released Don Cardwell.
- December 25, 1970
The Boston Red Sox signed Bo Díaz as an amateur free agent.
- December 28, 1970
The Chicago Cubs released Tommy Davis.
- December 30, 1970
The Montreal Expos traded Dave McDonald to the San Francisco Giants for Ron Hunt.
- December 31, 1970
The Chicago White Sox purchased Chuck Hartenstein from the Boston Red Sox.
- Before 1971 Season
The Milwaukee Brewers signed Bart Zeller as a free agent.
The St. Louis Cardinals signed John Andrews as an amateur free agent.
The New York Mets signed Bob Apodaca as an amateur free agent.
The Kansas City Royals signed Tom Brown as an amateur free agent.
The New York Mets signed Mike Bruhert as an amateur free agent.
The Chicago White Sox signed Mike Buskey as an amateur free agent.
The Los Angeles Dodgers signed Henry Cruz as an amateur free agent.
The Los Angeles Dodgers signed Greg Heydeman as an amateur free agent.
The Oakland Athletics signed Leon Hooten as an amateur free agent.
The Houston Astros signed Al Javier as an amateur free agent.
The Boston Red Sox signed Rick Kreuger as an amateur free agent.
The Kansas City Royals signed Gary Lance as an amateur free agent.
The San Francisco Giants signed Luis Quintana as an amateur free agent.
The St. Louis Cardinals signed Ángel Torres as an amateur free agent.
The St. Louis Cardinals signed Steve Waterbury as an amateur free agent.
The Chicago White Sox purchased Cy Acosta from Jalisco (Mexican).
The Montreal Expos released Marv Staehle.
Jim Clark sent from the Oakland Athletics to the Cleveland Indians in an unknown transaction.
Frank Estrada sent from Mexico City Reds (Mexican) to the New York Mets in an unknown transaction.
Jack Lind sent from the Houston Astros to the Cincinnati Reds in an unknown transaction.
Bruce Look sent from the Minnesota Twins to the New York Yankees in an unknown transaction.
- January 7, 1971
The Pittsburgh Pirates signed Fernando González as a free agent.
- January 12, 1971
The Chicago White Sox traded Darrell Brandon to the Philadelphia Phillies for Rick Joseph.
- January 13, 1971
The San Diego Padres released Earl Wilson.
The San Diego Padres drafted Dave Hilton in the 1st round (1st pick) of the 1971 amateur draft (January).
The Oakland Athletics drafted Phil Garner in the 1st round (3rd pick) of the 1971 amateur draft (January Secondary).
The Houston Astros drafted Doug Konieczny in the 1st round (4th pick) of the 1971 amateur draft (January Secondary).
The Kansas City Royals drafted John Wathan in the 1st round (4th pick) of the 1971 amateur draft (January).
The Chicago White Sox drafted Sam Ewing in the 1st round (5th pick) of the 1971 amateur draft (January Secondary).
The Milwaukee Brewers drafted Don Collins in the 1st round (6th pick) of the 1971 amateur draft (January), but was not signed.
The California Angels drafted Bob Allietta in the 1st round (7th pick) of the 1971 amateur draft (January Secondary).
The Washington Senators drafted Jim Kremmel in the 1st round (9th pick) of the 1971 amateur draft (January Secondary).
The Kansas City Royals drafted Ron Hodges in the 1st round (15th pick) of the 1971 amateur draft (January Secondary), but was not signed.
The Atlanta Braves drafted Pete Varney in the 1st round (20th pick) of the 1971 amateur draft (January Secondary), but was not signed.
The Boston Red Sox drafted Jim Otten in the 1st round (21st pick) of the 1971 amateur draft (January Secondary), but was not signed.
The San Diego Padres drafted Johnny Grubb in the 1st round (24th pick) of the 1971 amateur draft (January Secondary).
The Chicago Cubs drafted Steve Stroughter in the 2nd round of the 1971 amateur draft (January Secondary), but was not signed.
The New York Mets drafted Mardie Cornejo in the 3rd round of the 1971 amateur draft (January Secondary), but was not signed.
The Oakland Athletics drafted Steve Staggs in the 3rd round of the 1971 amateur draft (January Secondary), but was not signed.
The Boston Red Sox drafted John Tamargo in the 3rd round of the 1971 amateur draft (January Secondary), but was not signed.
The St. Louis Cardinals drafted Mike Vail in the 4th round of the 1971 amateur draft (January Secondary).
The California Angels drafted Mike Edwards in the 4th round of the 1971 amateur draft (January Secondary), but was not signed.
The Boston Red Sox drafted Eric Rasmussen in the 4th round of the 1971 amateur draft (January), but was not signed.
The Boston Red Sox drafted Roy Smalley in the 4th round of the 1971 amateur draft (January Secondary), but was not signed.
The Cleveland Indians drafted Jim Norris in the 5th round of the 1971 amateur draft (January Secondary).
The Oakland Athletics drafted Rich Dauer in the 5th round of the 1971 amateur draft (January), but was not signed.
The St. Louis Cardinals drafted Mike Potter in the 6th round of the 1971 amateur draft (January Secondary).
The San Francisco Giants drafted Warren Brusstar in the 6th round of the 1971 amateur draft (January Secondary), but was not signed.
The California Angels drafted Jerry Remy in the 8th round of the 1971 amateur draft (January Secondary).
The St. Louis Cardinals drafted Rick Langford in the 11th round of the 1971 amateur draft (January), but was not signed.
- January 18, 1971
The Pittsburgh Pirates signed Tony Armas as an amateur free agent.
- January 25, 1971
The Cincinnati Reds released Ray Washburn.
- January 26, 1971
Tommie Sisk sent from the Cleveland Indians to the Montreal Expos in an unknown transaction.
- January 28, 1971
The New York Mets signed Benny Ayala as an amateur free agent.
The California Angels traded Bill Voss to the Milwaukee Brewers for Gene Brabender.
- January 29, 1971
The Pittsburgh Pirates traded Matty Alou and George Brunet to the St. Louis Cardinals for Nelson Briles and Vic Davalillo.
- February 2, 1971
The Milwaukee Brewers traded Bob Burda to the St. Louis Cardinals for Fred Reahm (minors).
The Kansas City Royals traded Ellie Rodríguez to the Milwaukee Brewers for Carl Taylor.
- February 4, 1971
The Milwaukee Brewers purchased Joe Nossek from the St. Louis Cardinals.
- February 5, 1971
The Cincinnati Reds released Bo Belinsky. (Date given is approximate. Exact date is uncertain.)
- February 9, 1971
The Chicago White Sox traded Gerry Janeski to the Washington Senators for Rick Reichardt.
- February 10, 1971
The Milwaukee Brewers released Bob Tillman.
The Los Angeles Dodgers traded Andy Kosco to the Milwaukee Brewers for Al Downing.
- February 19, 1971
The Boston Red Sox traded Billy McCool to the Kansas City Royals for Hawk Taylor.
- February 27, 1971
The Baltimore Orioles signed Larry McCall as an amateur free agent.
- March 13, 1971
The California Angels purchased Jeff Torborg from the Los Angeles Dodgers.
- March 15, 1971
The New York Mets purchased George Spriggs from the Kansas City Royals.
The California Angels traded Dave Adlesh and Steve Kealey to the Chicago White Sox for Art Kusnyer.
- March 16, 1971
The Baltimore Orioles signed Orlando Peña as a free agent.
- March 19, 1971
Hawaii (PCL) purchased Dave Baldwin from the Milwaukee Brewers.
- March 23, 1971
The Chicago White Sox traded Steve Hamilton to the San Francisco Giants for Steve Huntz.
- March 24, 1971
The Chicago White Sox traded Bobby Knoop to the Kansas City Royals for a player to be named later and cash. The Kansas City Royals sent Luis Alcaraz (March 30, 1971) to the Chicago White Sox to complete the trade.
- March 25, 1971
The Milwaukee Brewers returned George Kopacz to the Pittsburgh Pirates as part of a conditional deal.
The Montreal Expos purchased Dave McDonald from the San Francisco Giants.
The New York Yankees released Mike McCormick.
- March 26, 1971
The Cleveland Indians purchased Fred Stanley from the Milwaukee Brewers.
- March 27, 1971
The Milwaukee Brewers released Bob Humphreys.
The Milwaukee Brewers released Bob Meyer.
The Milwaukee Brewers released Russ Snyder.
- March 29, 1971
The Oakland Athletics signed Tommy Davis as a free agent.
The Detroit Tigers traded a player to be named later and Mike Adams to the Minnesota Twins for Bill Zepp. The Detroit Tigers sent Arthur Clifford (minors) (May 16, 1971) to the Minnesota Twins to complete the trade.
The Chicago White Sox traded Tommy McCraw to the Washington Senators for Ed Stroud.
- March 30, 1971
The Kansas City Royals released Dave Morehead.
The Detroit Tigers traded Jerry Robertson to the New York Mets for Dean Chance and Bill Denehy.
- March 31, 1971
The Chicago White Sox released Don O'Riley.
The Minnesota Twins released Luis Tiant.
The New York Yankees released Pete Ward.
The Montreal Expos traded Don Hahn to the New York Mets for Rich Hacker and Ron Swoboda.
The Boston Red Sox traded Tony Muser and Vicente Romo to the Chicago White Sox for Duane Josephson and Danny Murphy.
The Cincinnati Reds traded Stan Swanson to the Montreal Expos for Jim Qualls.
- April, 1971
The Atlanta Braves released Hank Allen.
- April 1, 1971
The Cincinnati Reds signed Joe Gibbon as a free agent.
The Chicago White Sox signed Mike Hershberger as a free agent.
- April 2, 1971
The San Francisco Giants signed Larry Milbourne as a free agent.
The San Diego Padres purchased Mike Jackson from the Philadelphia Phillies.
- April 3, 1971
The Atlanta Braves signed Marv Staehle as a free agent.
The Montreal Expos released Tom Robson.
The Atlanta Braves traded Richard Wilson (minors) to the San Diego Padres for Walt Hriniak.
- April 4, 1971
The California Angels released Joe Henderson.
- April 5, 1971
The Philadelphia Phillies returned Wayne Redmond to the Detroit Tigers as part of a conditional deal.
The St. Louis Cardinals returned Cecil Cooper (earlier draft pick) to the Boston Red Sox.
The Cleveland Indians signed Camilo Pascual as a free agent.
The Cleveland Indians released Vic Correll.
The Minnesota Twins released Frank Quilici.
The Baltimore Orioles traded Marcelino López to the Milwaukee Brewers for Marion Jackson (minors) and Roric Harrison.
The Milwaukee Brewers traded Wayne Twitchell to the Philadelphia Phillies for Pat Skrable (minors).
- April 6, 1971
The Milwaukee Brewers released Tom Kelly.
- April 7, 1971
The Boston Red Sox released Tom Satriano.
The Boston Red Sox released Jarvis Tatum.
The Boston Red Sox released Gary Wagner.
The Montreal Expos signed Gary Wagner as a free agent.
- April 9, 1971
The New York Yankees traded Rob Gardner and Ron Klimkowski to the Oakland Athletics for Felipe Alou.
The Minnesota Twins released Dave Boswell.
The Detroit Tigers signed Dave Boswell as a free agent.
- April 11, 1971
The Chicago White Sox signed Vic Correll as a free agent.
- April 14, 1971
The Baltimore Orioles released Gil Flores.
The Chicago White Sox released Jack Hamilton. (Date given is approximate. Exact date is uncertain.)
- April 15, 1971
The Kansas City Royals signed Mike McCormick as a free agent.
The Cincinnati Reds signed Tom Robson as a free agent.
The Kansas City Royals traded Bob Garibaldi to the San Diego Padres for Mike Jackson. (Date given is approximate. Exact date is uncertain.)
- April 16, 1971
The Atlanta Braves signed Luis Tiant as a free agent.
- April 22, 1971
The Milwaukee Brewers traded Pete Koegel and Ray Peters to the Philadelphia Phillies for John Briggs.
- April 24, 1971
The Oakland Athletics purchased Larry Brown from the Cleveland Indians.
- April 26, 1971
The San Diego Padres purchased Ramon Webster from the Oakland Athletics.
- April 28, 1971
The Minnesota Twins signed Tom Kelly as a free agent.
- April 29, 1971
The San Francisco Giants released Don Landrum. (Date given is approximate. Exact date is uncertain.)
- May 8, 1971
The Oakland Athletics traded Frank Fernández, Paul Lindblad, Don Mincher and cash to the Washington Senators for Mike Epstein and Darold Knowles.
The Cincinnati Reds traded Kurt Bevacqua to the Cleveland Indians for Buddy Bradford.
- May 10, 1971
The St. Louis Cardinals released George Brunet.
The Chicago Cubs released Bob Miller.
- May 11, 1971
The San Diego Padres signed Bob Miller as a free agent.
The Detroit Tigers traded Jim Hannan to the Milwaukee Brewers for John Gelnar and José Herrera.
The Kansas City Royals traded Tommy Matchick to the Milwaukee Brewers for Ted Savage.
- May 13, 1971
The Cincinnati Reds traded Ángel Bravo to the San Diego Padres for Al Ferrara.
- May 14, 1971
The San Diego Padres returned Ramon Webster to the Oakland Athletics following previous purchase.
- May 15, 1971
The Atlanta Braves released Luis Tiant.
- May 17, 1971
The Boston Red Sox signed Luis Tiant as a free agent.
- May 19, 1971
The Chicago Cubs traded Garry Jestadt to the San Diego Padres for Chris Cannizzaro.
- May 22, 1971
The Cleveland Indians sent Camilo Pascual to the San Diego Padres as part of a conditional deal.
The Detroit Tigers traded Daryl Patterson to the Oakland Athletics for John Donaldson.
- May 26, 1971
The San Diego Padres returned Camilo Pascual to the Cleveland Indians as part of a conditional deal.
The New York Yankees traded Curt Blefary to the Oakland Athletics for Rob Gardner and Darrell Osteen.
The Montreal Expos released Gary Wagner.
The Boston Red Sox signed Gary Wagner as a free agent.
- May 28, 1971
The Montreal Expos released Tommie Sisk.
The Baltimore Orioles traded Jim Hardin to the New York Yankees for Bill Burbach.
The Detroit Tigers released Dave Boswell.
The Baltimore Orioles signed Dave Boswell as a free agent.
- May 29, 1971
The Cincinnati Reds traded Frank Duffy and Vern Geishert to the San Francisco Giants for George Foster.
- May 31, 1971
The Atlanta Braves purchased Zoilo Versalles from Gomez Palacio (Mexican).
- June, 1971
The Pittsburgh Pirates signed Art Howe as an amateur free agent.
- June 1, 1971
The Milwaukee Brewers traded Floyd Wicker to the San Francisco Giants for Bob Heise.
- June 2, 1971
The Atlanta Braves released Clete Boyer.
The Kansas City Royals released Mike McCormick.
The Cleveland Indians released Camilo Pascual.
- June 5, 1971
The Cincinnati Reds purchased Dick Baney from the Baltimore Orioles.
- June 7, 1971
The Milwaukee Brewers traded Danny Walton to the New York Yankees for Bobby Mitchell and Frank Tepedino.
- June 8, 1971
The Washington Senators drafted Pete Broberg in the 1st round (1st pick) of the 1971 amateur draft (June Secondary).
The Chicago White Sox drafted Pete Varney in the 1st round (1st pick) of the 1971 amateur draft (June Secondary).
The Chicago White Sox drafted Danny Goodwin in the 1st round (1st pick) of the 1971 amateur draft, but was not signed.
The San Diego Padres drafted Jay Franklin in the 1st round (2nd pick) of the 1971 amateur draft.
The Chicago Cubs drafted Burt Hooton in the 1st round (2nd pick) of the 1971 amateur draft (June Secondary).
The Milwaukee Brewers drafted Tommy Bianco in the 1st round (3rd pick) of the 1971 amateur draft.
The Milwaukee Brewers drafted Rob Ellis in the 1st round (3rd pick) of the 1971 amateur draft (June Secondary).
The Montreal Expos drafted Steve Rogers in the 1st round (4th pick) of the 1971 amateur draft (June Secondary).
The Kansas City Royals drafted Roy Branch in the 1st round (5th pick) of the 1971 amateur draft.
The Boston Red Sox drafted Jim Burton in the 1st round (5th pick) of the 1971 amateur draft (June Secondary).
The San Francisco Giants drafted Steve Stroughter in the 1st round (6th pick) of the 1971 amateur draft (June Secondary).
The Philadelphia Phillies drafted Roy Thomas in the 1st round (6th pick) of the 1971 amateur draft. Player signed June 10, 1971.
The Baltimore Orioles drafted Paul Mitchell in the 1st round (7th pick) of the 1971 amateur draft (June Secondary).
The Houston Astros drafted Rich Troedson in the 1st round (8th pick) of the 1971 amateur draft (June Secondary), but was not signed.
The Minnesota Twins drafted Glenn Borgmann in the 1st round (9th pick) of the 1971 amateur draft (June Secondary).
The Atlanta Braves drafted Taylor Duncan in the 1st round (10th pick) of the 1971 amateur draft.
The Atlanta Braves drafted Ron Hodges in the 1st round (10th pick) of the 1971 amateur draft (June Secondary), but was not signed.
The Detroit Tigers drafted Tom Veryzer in the 1st round (11th pick) of the 1971 amateur draft.
The New York Yankees drafted Mike Pazik in the 1st round (13th pick) of the 1971 amateur draft (June Secondary).
The California Angels drafted Frank Tanana in the 1st round (13th pick) of the 1971 amateur draft.
The New York Mets drafted Rich Puig in the 1st round (14th pick) of the 1971 amateur draft.
The Boston Red Sox drafted Jim Rice in the 1st round (15th pick) of the 1971 amateur draft.
The Cleveland Indians drafted Jim Cox in the 1st round (17th pick) of the 1971 amateur draft (June Secondary), but was not signed.
The Atlanta Braves drafted Mike Beard in the 1st round (18th pick) of the 1971 amateur draft (June Secondary).
The San Francisco Giants drafted Frank Riccelli in the 1st round (18th pick) of the 1971 amateur draft.
The Chicago Cubs drafted Jim Otten in the 1st round (18th pick) of the 1971 amateur draft (June Secondary), but was not signed.
The New York Yankees drafted Terry Whitfield in the 1st round (19th pick) of the 1971 amateur draft.
The Los Angeles Dodgers drafted Rick Rhoden in the 1st round (20th pick) of the 1971 amateur draft.
The Philadelphia Phillies drafted Dane Iorg in the 1st round (22nd pick) of the 1971 amateur draft (June Secondary). Player signed June 19, 1971.
The Pittsburgh Pirates drafted Craig Reynolds in the 1st round (22nd pick) of the 1971 amateur draft.
The Baltimore Orioles drafted Randy Stein in the 1st round (23rd pick) of the 1971 amateur draft.
The Cincinnati Reds drafted Mike Miley in the 1st round (24th pick) of the 1971 amateur draft, but was not signed.
The Milwaukee Brewers drafted Larry Anderson in the 2nd round of the 1971 amateur draft.
The Pittsburgh Pirates drafted Doug Bair in the 2nd round of the 1971 amateur draft. Player signed June 23, 1971.
The Kansas City Royals drafted George Brett in the 2nd round of the 1971 amateur draft.
The Kansas City Royals drafted Steve Busby in the 2nd round of the 1971 amateur draft (June Secondary).
The Washington Senators drafted Mike Cubbage in the 2nd round of the 1971 amateur draft (June Secondary).
The Detroit Tigers drafted Dennis DeBarr in the 2nd round of the 1971 amateur draft.
The Atlanta Braves drafted Jamie Easterly in the 2nd round of the 1971 amateur draft.
The Detroit Tigers drafted Danny Fife in the 2nd round of the 1971 amateur draft (June Secondary).
The Houston Astros drafted Art Gardner in the 2nd round of the 1971 amateur draft.
The California Angels drafted Ron Jackson in the 2nd round of the 1971 amateur draft.
The Philadelphia Phillies drafted Mike Schmidt in the 2nd round of the 1971 amateur draft. Player signed June 11, 1971.
The Chicago White Sox drafted Bill Sharp in the 2nd round of the 1971 amateur draft.
The Kansas City Royals drafted Steve Staggs in the 2nd round of the 1971 amateur draft (June Secondary).
The Montreal Expos drafted Dan Warthen in the 2nd round of the 1971 amateur draft.
The New York Mets drafted Don Collins in the 2nd round of the 1971 amateur draft (June Secondary), but was not signed.
The St. Louis Cardinals drafted Roy Smalley in the 2nd round of the 1971 amateur draft (June Secondary), but was not signed.
The Cleveland Indians drafted Jim Umbarger in the 2nd round of the 1971 amateur draft, but was not signed.
The Cleveland Indians drafted Wayne Cage in the 3rd round of the 1971 amateur draft.
The Detroit Tigers drafted Ron Cash in the 3rd round of the 1971 amateur draft (June Secondary).
The Baltimore Orioles drafted Kiko Garcia in the 3rd round of the 1971 amateur draft. Player signed June 27, 1971.
The New York Yankees drafted Ron Guidry in the 3rd round of the 1971 amateur draft.
The St. Louis Cardinals drafted Larry Herndon in the 3rd round of the 1971 amateur draft.
The Chicago Cubs drafted Dennis Lamp in the 3rd round of the 1971 amateur draft. Player signed June 11, 1971.
The San Francisco Giants drafted Willie Prall in the 3rd round of the 1971 amateur draft. Player signed June 18, 1971.
The Houston Astros drafted Paul Siebert in the 3rd round of the 1971 amateur draft.
The California Angels drafted Billy Smith in the 3rd round of the 1971 amateur draft.
The Montreal Expos drafted Sam Bowen in the 3rd round of the 1971 amateur draft (June Secondary), but was not signed.
The Atlanta Braves drafted Dennis Lewallyn in the 3rd round of the 1971 amateur draft, but was not signed.
The Washington Senators drafted Ed Putman in the 3rd round of the 1971 amateur draft, but was not signed.
The St. Louis Cardinals drafted Jerry Mumphrey in the 4th round of the 1971 amateur draft.
The Kansas City Royals drafted Joe Zdeb in the 4th round of the 1971 amateur draft.
The San Francisco Giants drafted Rick Anderson in the 4th round of the 1971 amateur draft, but was not signed.
The Boston Red Sox drafted Duane Kuiper in the 4th round of the 1971 amateur draft (June Secondary), but was not signed.
The San Diego Padres drafted Dave Freisleben in the 5th round of the 1971 amateur draft.
The Los Angeles Dodgers drafted Rex Hudson in the 5th round of the 1971 amateur draft.
The San Francisco Giants drafted Skip James in the 5th round of the 1971 amateur draft.
The Milwaukee Brewers drafted Charlie Moore in the 5th round of the 1971 amateur draft.
The New York Yankees drafted Larry Murray in the 5th round of the 1971 amateur draft.
The Chicago Cubs drafted Rob Sperring in the 5th round of the 1971 amateur draft. Player signed June 16, 1971.
The Cincinnati Reds drafted Don Werner in the 5th round of the 1971 amateur draft.
The Montreal Expos drafted Larry Lintz in the 6th round of the 1971 amateur draft.
The Washington Senators drafted Greg Pryor in the 6th round of the 1971 amateur draft.
The Chicago White Sox drafted Jack Kucek in the 6th round of the 1971 amateur draft, but was not signed.
The Cleveland Indians drafted Larry Andersen in the 7th round of the 1971 amateur draft. Player signed June 24, 1971.
The Minnesota Twins drafted Dave Edwards in the 7th round of the 1971 amateur draft.
The Detroit Tigers drafted Gene Pentz in the 7th round of the 1971 amateur draft.
The Cincinnati Reds drafted Dave Revering in the 7th round of the 1971 amateur draft.
The San Diego Padres drafted Frank Snook in the 7th round of the 1971 amateur draft.
The Chicago Cubs drafted Jim Tyrone in the 7th round of the 1971 amateur draft.
The Milwaukee Brewers drafted Dan Boitano in the 7th round of the 1971 amateur draft, but was not signed.
The Chicago White Sox drafted Warren Cromartie in the 7th round of the 1971 amateur draft, but was not signed.
The Baltimore Orioles drafted Hank Small in the 7th round of the 1971 amateur draft, but was not signed.
The San Diego Padres drafted Joe Goddard in the 8th round of the 1971 amateur draft.
The Philadelphia Phillies drafted Mac Scarce in the 8th round of the 1971 amateur draft. Player signed June 11, 1971.
The Chicago White Sox drafted Barry Bonnell in the 8th round of the 1971 amateur draft, but was not signed.
The New York Mets drafted Rick Baldwin in the 9th round of the 1971 amateur draft.
The Boston Red Sox drafted Bill Moran in the 9th round of the 1971 amateur draft.
The Atlanta Braves drafted Mike Stanton in the 9th round of the 1971 amateur draft, but was not signed.
The Milwaukee Brewers drafted Tom Hausman in the 10th round of the 1971 amateur draft.
The San Francisco Giants drafted Craig Caskey in the 10th round of the 1971 amateur draft, but was not signed.
The Kansas City Royals drafted Jerry Maddox in the 10th round of the 1971 amateur draft, but was not signed.
The St. Louis Cardinals drafted Jim Dwyer in the 11th round of the 1971 amateur draft. Player signed June 19, 1971.
The Milwaukee Brewers drafted Kevin Kobel in the 11th round of the 1971 amateur draft.
The Atlanta Braves drafted Junior Moore in the 11th round of the 1971 amateur draft.
The San Diego Padres drafted Bill Almon in the 11th round of the 1971 amateur draft, but was not signed.
The San Diego Padres drafted Mike Caldwell in the 12th round of the 1971 amateur draft.
The Kansas City Royals drafted Mark Littell in the 12th round of the 1971 amateur draft.
The Chicago Cubs drafted Dave Bergman in the 12th round of the 1971 amateur draft, but was not signed.
The San Francisco Giants drafted Terry Cornutt in the 12th round of the 1971 amateur draft, but was not signed.
The Detroit Tigers drafted Gary Christenson in the 13th round of the 1971 amateur draft.
The Minnesota Twins drafted Rob Wilfong in the 13th round of the 1971 amateur draft.
The New York Yankees drafted Mike Paxton in the 13th round of the 1971 amateur draft, but was not signed.
The Los Angeles Dodgers drafted John Hale in the 14th round of the 1971 amateur draft.
The Houston Astros drafted Mike Flanagan in the 15th round of the 1971 amateur draft, but was not signed.
The Chicago White Sox drafted Jeff Holly in the 17th round of the 1971 amateur draft.
The Atlanta Braves drafted Biff Pocoroba in the 17th round of the 1971 amateur draft.
The Los Angeles Dodgers drafted Larry Wolfe in the 21st round of the 1971 amateur draft, but was not signed.
The Kansas City Royals drafted Larry Demery in the 22nd round of the 1971 amateur draft, but was not signed.
The New York Mets drafted Mark DeJohn in the 23rd round of the 1971 amateur draft.
The Montreal Expos drafted Gary Alexander in the 23rd round of the 1971 amateur draft, but was not signed.
The Cincinnati Reds drafted Dave Collins in the 23rd round of the 1971 amateur draft, but was not signed.
The Boston Red Sox drafted Mark Bomback in the 25th round of the 1971 amateur draft.
The Boston Red Sox drafted Jack Baker in the 26th round of the 1971 amateur draft.
The Washington Senators drafted Stan Thomas in the 27th round of the 1971 amateur draft.
The Los Angeles Dodgers drafted Kevin Pasley in the 29th round of the 1971 amateur draft.
The Los Angeles Dodgers drafted Kim Andrew in the 31st round of the 1971 amateur draft, but was not signed.
The San Francisco Giants drafted Greg Thayer in the 32nd round of the 1971 amateur draft.
The Montreal Expos drafted Al Woods in the 32nd round of the 1971 amateur draft, but was not signed.
The Los Angeles Dodgers drafted Tom Hume in the 35th round of the 1971 amateur draft, but was not signed.
The Minnesota Twins drafted Chuck Baker in the 36th round of the 1971 amateur draft, but was not signed.
The San Francisco Giants drafted Juan Eichelberger in the 36th round of the 1971 amateur draft, but was not signed.
The St. Louis Cardinals drafted Keith Hernandez in the 42nd round of the 1971 amateur draft.
- June 11, 1971
The San Diego Padres traded Al Santorini to the St. Louis Cardinals for Leron Lee and Fred Norman.
- June 12, 1971
The Oakland Athletics signed Champ Summers as an amateur free agent.
The Detroit Tigers traded Carl Cavanaugh (minors) and Michael Fremuth (minors) to the Philadelphia Phillies for Tony Taylor.
- June 14, 1971
The Oakland Athletics purchased Mike Hegan from the Milwaukee Brewers.
- June 15, 1971
The Washington Senators purchased Jim Driscoll from the Oakland Athletics.
The Montreal Expos traded Bob Reynolds to the St. Louis Cardinals for Mike Torrez.
- June 16, 1971
The Montreal Expos traded Jimy Williams to the New York Mets for Tony Canzano (minors).
- June 17, 1971
The Chicago Cubs purchased Ramon Webster from the Oakland Athletics.
- June 20, 1971
The Minnesota Twins signed Dave McKay as an amateur free agent.
- June 22, 1971
The Baltimore Orioles signed Gil Flores as a free agent.
- June 23, 1971
The Oakland Athletics purchased Frank Fernández from the Washington Senators.
- June 24, 1971
The Washington Senators released Don Wert.
- June 25, 1971
The St. Louis Cardinals purchased Daryl Patterson from the Oakland Athletics.
The Montreal Expos traded Ron Swoboda to the New York Yankees for Ron Woods.
- June 28, 1971
The Boston Red Sox released George Thomas.
The Minnesota Twins signed George Thomas as a free agent.
- June 29, 1971
The Atlanta Braves released Hoyt Wilhelm.
- June 30, 1971
The Milwaukee Brewers purchased Floyd Weaver from the Chicago White Sox.
The Milwaukee Brewers released Dick Ellsworth.
The Montreal Expos released John O'Donoghue.
- July, 1971
The Milwaukee Brewers traded Bart Zeller to the New York Yankees for Bruce Look. (Date given is approximate. Exact date is uncertain.)
- July 1, 1971
The New York Mets released Al Weis.
- July 5, 1971
The Boston Red Sox released Gary Wagner. (Date given is approximate. Exact date is uncertain.)
- July 7, 1971
The Chicago White Sox released Lee Maye.
- July 8, 1971
The Montreal Expos released Mack Jones.
The Milwaukee Brewers traded Phil Roof to the Minnesota Twins for Paul Ratliff.
- July 10, 1971
The Los Angeles Dodgers signed Hoyt Wilhelm as a free agent.
- July 13, 1971
Union Laguna (Mexican) sent Joe Henderson (August 6, 1971) to the Chicago White Sox to complete the trade.
- July 15, 1971
The Oakland Athletics purchased Dennis Higgins from the Cleveland Indians.
- July 16, 1971
The Washington Senators released Joe Foy.
- July 17, 1971
The New York Yankees signed Bobby Cox as a free agent.
The Philadelphia Phillies signed Jerry Martin as an amateur free agent.
- July 20, 1971
The Oakland Athletics traded Dennis Higgins to the St. Louis Cardinals for Gaylen Pitts.
- July 23, 1971
The Atlanta Braves released Walt Hriniak.
- July 26, 1971
The Pittsburgh Pirates signed Dave Ricketts as a free agent.
- July 29, 1971
The Milwaukee Brewers traded Chuck Loseth (minors) and Ted Kubiak to the St. Louis Cardinals for José Cardenal, Bob Reynolds and Dick Schofield.
- July 30, 1971
The Detroit Tigers selected Ron Perranoski off waivers from the Minnesota Twins.
- August 10, 1971
The Oakland Athletics purchased Mudcat Grant from the Pittsburgh Pirates.
The Pittsburgh Pirates traded Ed Acosta and Johnny Jeter to the San Diego Padres for Bob Miller.
- August 14, 1971
The Atlanta Braves purchased Tony La Russa from the Oakland Athletics.
- August 15, 1971
The Pittsburgh Pirates released Dave Ricketts.
- August 17, 1971
The Boston Red Sox released Cal Koonce.
- August 21, 1971
The Kansas City Royals signed Tom Bruno as an amateur free agent.
- August 24, 1971
The Montreal Expos signed Walt Hriniak as a free agent.
- August 25, 1971
The Cincinnati Reds signed Doug Flynn as an amateur free agent.
- August 28, 1971
The New York Yankees released Bobby Cox.
- August 30, 1971
The Chicago Cubs signed Al Spangler as a free agent.
- August 31, 1971
The Detroit Tigers released John Hiller.
The Chicago Cubs traded Adrian Garrett to the Oakland Athletics for Frank Fernández.
- September 1, 1971
The Houston Astros signed Luis Sánchez as an amateur free agent.
The Minnesota Twins traded Stan Williams to the St. Louis Cardinals for players to be named later. The St. Louis Cardinals sent Fred Rico (September 14, 1971) and Dan Ford (minors) (September 14, 1971) to the Minnesota Twins to complete the trade.
- September 3, 1971
The Pittsburgh Pirates purchased Carl Taylor from the Kansas City Royals.
- September 9, 1971
The Detroit Tigers signed John Hiller as a free agent.
The Chicago Cubs signed Bruce Sutter as an amateur free agent.
- September 13, 1971
The St. Louis Cardinals purchased Mike Jackson from the Kansas City Royals.
- September 15, 1971
The New York Mets traded Ron Allen to the St. Louis Cardinals for Bobby Etheridge.
- September 20, 1971
The Cincinnati Reds returned Dick Baney to the Baltimore Orioles following previous purchase.
- September 21, 1971
The Kansas City Royals released Tom Brown.
- September 25, 1971
The Detroit Tigers signed Ed Glynn as an amateur free agent.
- September 27, 1971
The Washington Senators released Jim French.
- September 30, 1971
The Detroit Tigers released John Hiller.
- October 4, 1971
The Montreal Expos signed Bill Atkinson as an amateur free agent.
- October 5, 1971
The California Angels traded Alex Johnson and Jerry Moses to the Cleveland Indians for Frank Baker, Alan Foster and Vada Pinson.
- October 6, 1971
The Detroit Tigers released Dean Chance.
- October 10, 1971
The Boston Red Sox traded Ken Brett, Billy Conigliaro, Joe Lahoud, Jim Lonborg, Don Pavletich and George Scott to the Milwaukee Brewers for Pat Skrable (minors), Tommy Harper, Lew Krausse and Marty Pattin.
- October 13, 1971
The Chicago White Sox traded Rich Hinton to the New York Yankees for Jim Lyttle.
- October 14, 1971
The Montreal Expos purchased Denny Lemaster from the Houston Astros.
- October 16, 1971
The Chicago Cubs released Al Spangler.
The Chicago White Sox traded Don Bolte (minors) and Bob Spence to the Philadelphia Phillies for Lowell Palmer.
- October 18, 1971
The St. Louis Cardinals returned Mike Jackson to the Kansas City Royals following previous purchase.
The New York Mets traded Jim Bibby, Rich Folkers, Charlie Hudson and Art Shamsky to the St. Louis Cardinals for Jim Beauchamp, Chip Coulter, Harry Parker and Chuck Taylor.
- October 20, 1971
The Montreal Expos purchased Ron Taylor from the New York Mets.
The Milwaukee Brewers traded John Morris to the San Francisco Giants for Wes Scott (minors) and Gary Ryerson.
- October 21, 1971
The Kansas City Royals purchased Richie Scheinblum from the Texas Rangers.
The St. Louis Cardinals returned Daryl Patterson to the Oakland Athletics following previous purchase.
The Los Angeles Dodgers traded Tom Hutton to the Philadelphia Phillies for Larry Hisle.
- October 22, 1971
The California Angels purchased Paul Doyle from the San Diego Padres.
The Los Angeles Dodgers traded Bobby Darwin to the Minnesota Twins for Paul Powell.
The Baltimore Orioles traded Michael Herson (minors) and Mike Ferraro to the Milwaukee Brewers for Bruce Look and Tommy Matchick.
- October 26, 1971
The San Francisco Giants released Steve Hamilton.
- October 27, 1971
The California Angels released Tony González.
The Minnesota Twins released George Thomas.
- October 28, 1971
The New York Mets released Bob Aspromonte.
The New York Mets released Donn Clendenon.
- November 3, 1971
The St. Louis Cardinals traded Ted Kubiak to the Texas Rangers for Joe Grzenda.
The Houston Astros traded Marty Martínez to the St. Louis Cardinals for Bob Stinson.
- November 25, 1971
The Pittsburgh Pirates signed Odell Jones as an amateur free agent.
- November 26, 1971
The Milwaukee Brewers signed Eduardo Rodríguez as an amateur free agent.
- November 29, 1971
The Atlanta Braves drafted Luis Alcaraz from the Chicago White Sox in the 1971 rule 5 draft.
The Oakland Athletics drafted Brant Alyea from the Minnesota Twins in the 1971 rule 5 draft.
The Chicago Cubs drafted Clint Compton from the California Angels in the 1971 rule 5 draft.
The California Angels drafted Bruce Ellingsen from the Los Angeles Dodgers in the 1971 rule 5 draft.
The Houston Astros drafted Bobby Fenwick from the San Francisco Giants in the 1971 rule 5 draft.
The Boston Red Sox drafted Bob Gallagher from the Los Angeles Dodgers in the 1971 rule 5 draft.
The Kansas City Royals drafted Steve Hovley from the Oakland Athletics in the 1971 rule 5 draft.
The California Angels drafted Jim Hutto from the Baltimore Orioles in the 1971 rule 5 draft.
The New York Yankees drafted Jim Magnuson from the Chicago White Sox in the 1971 rule 5 draft.
The Milwaukee Brewers drafted Aurelio Monteagudo from the Kansas City Royals in the 1971 rule 5 draft.
The Montreal Expos drafted Tom Walker from the Baltimore Orioles in the 1971 rule 5 draft.
The San Francisco Giants drafted Leon Brown from the Baltimore Orioles in the 1971 minor league draft.
The Boston Red Sox drafted Vic Correll from the Chicago White Sox in the 1971 minor league draft.
The California Angels drafted Larry Milbourne from the San Francisco Giants in the 1971 minor league draft.
The Chicago Cubs traded Ken Holtzman to the Oakland Athletics for Rick Monday.
The Cincinnati Reds traded Tommy Helms, Lee May and Jimmy Stewart to the Houston Astros for Ed Armbrister, Jack Billingham, César Gerónimo, Denis Menke and Joe Morgan.
The Cleveland Indians traded Sam McDowell to the San Francisco Giants for Frank Duffy and Gaylord Perry.
- November 30, 1971
The Chicago White Sox purchased Jorge Orta from Mexicali (Mexican Northern).
The Oakland Athletics released Mudcat Grant.
The California Angels traded Dave LaRoche to the Minnesota Twins for Leo Cárdenas.
- December 1, 1971
The Chicago Cubs released Ernie Banks.
- December 2, 1971
The Detroit Tigers traded a player to be named later and cash to the Los Angeles Dodgers for Tom Haller. The Detroit Tigers sent Bernie Beckman (minors) (March 31, 1972) to the Los Angeles Dodgers to complete the trade.
The Cleveland Indians traded Roy Foster, Rich Hand, Mike Paul and Ken Suarez to the Texas Rangers for Gary Jones, Terry Ley, Denny Riddleberger and Del Unser.
The Chicago White Sox traded Steve Huntz and Tommy John to the Los Angeles Dodgers for Dick Allen.
The Atlanta Braves traded Hal King to the Texas Rangers for Paul Casanova.
The New York Yankees traded Gary Jones and Terry Ley to the Texas Rangers for Bernie Allen.
The Houston Astros traded David Grangaard (minors) and John Mayberry to the Kansas City Royals for Lance Clemons and Jim York.
The Chicago White Sox traded Rich McKinney to the New York Yankees for Stan Bahnsen.
The Baltimore Orioles traded Pete Richert and Frank Robinson to the Los Angeles Dodgers for Doyle Alexander, Bob O'Brien, Sergio Robles and Royle Stillman.
- December 3, 1971
The Chicago Cubs traded Jim Colborn, Brock Davis and Earl Stephenson to the Milwaukee Brewers for José Cardenal.
The Montreal Expos traded Jim Gosger to the New York Mets for Billy Carthel (minors), Arsenio Diaz (minors), Don Koonce (minors) and Curtis Brown.
The Cincinnati Reds traded Wayne Granger to the Minnesota Twins for Tom Hall.
The Houston Astros traded Bill Greif, Mark Schaeffer and Derrel Thomas to the San Diego Padres for Dave Roberts.
- December 5, 1971
The Cincinnati Reds signed Paul Thormodsgard as an amateur free agent.
- December 6, 1971
The Cleveland Indians purchased Adolfo Phillips from the Montreal Expos.
The Cincinnati Reds traded Milt Wilcox to the Cleveland Indians for Ted Uhlaender.
- December 7, 1971
The Detroit Tigers traded Bill Denehy to the St. Louis Cardinals for Chris Zachary.
- December 9, 1971
The St. Louis Cardinals signed Donn Clendenon as a free agent.
The Baltimore Orioles traded Curt Motton to the Milwaukee Brewers for a player to be named later and cash. The Milwaukee Brewers sent Bob Reynolds (March 25, 1972) to the Baltimore Orioles to complete the trade.
- December 10, 1971
The California Angels traded Jim Fregosi to the New York Mets for Frank Estrada, Don Rose, Nolan Ryan and Leroy Stanton.
- December 11, 1971
The Minnesota Twins traded Jerry Schlegelmilch (minors) to the San Diego Padres for Ronald Drake (minors) and José Arcia.
- December 13, 1971
The Chicago White Sox traded Bill Robinson to the Philadelphia Phillies for Gerardo Rodriguez (minors).
- December 14, 1971
The Cincinnati Reds traded Danny Godby to the St. Louis Cardinals for Carroll Sembera.
The Chicago White Sox traded Pat Jacquez to the Cincinnati Reds for Jim Qualls.
- December 15, 1971
Clay Dalrymple retired from the Baltimore Orioles.
- December 16, 1971
The San Diego Padres purchased John Matias from the Kansas City Royals.
- December 17, 1971
The Los Angeles Dodgers selected Chris Cannizzaro off waivers from the Chicago Cubs.
- December 21, 1971
The Atlanta Braves released Zoilo Versalles.
- December 31, 1971
The Milwaukee Brewers released Jim Hannan.
- Before 1972 Season
The San Francisco Giants signed Mike McCormick as a free agent.
The Baltimore Orioles signed Kim Andrew as an amateur free agent.
The Los Angeles Dodgers signed José Báez as an amateur free agent.
The Detroit Tigers signed Billy Baldwin as an amateur free agent.
The Kansas City Royals signed Dave Cripe as an amateur free agent.
The San Francisco Giants signed Mike Eden as an amateur free agent.
The California Angels signed Don Kirkwood as an amateur free agent.
The New York Mets signed Jay Kleven as an amateur free agent.
The Detroit Tigers signed Tom Makowski as an amateur free agent.
The Kansas City Royals signed Sheldon Mallory as an amateur free agent.
The Kansas City Royals signed Mark Williams as an amateur free agent.
Lew Beasley sent from the Baltimore Orioles to the Texas Rangers in an unknown transaction.
Jack Lind sent from the Cincinnati Reds to the Milwaukee Brewers in an unknown transaction.
- January 3, 1972
The California Angels released Jim Maloney.
- January 4, 1972
The St. Louis Cardinals signed Jim Maloney as a free agent.
- January 6, 1972
The Kansas City Royals released Ted Savage. (Date given is approximate. Exact date is uncertain.)
- January 12, 1972
The Cleveland Indians drafted Eric Raich in the 1st round (1st pick) of the 1972 amateur draft (January).
The Montreal Expos drafted Jim Cox in the 1st round (2nd pick) of the 1972 amateur draft (January Secondary).
The New York Yankees drafted Rick Anderson in the 1st round (5th pick) of the 1972 amateur draft (January Secondary).
The San Diego Padres drafted Rich Troedson in the 1st round (6th pick) of the 1972 amateur draft (January Secondary).
The Los Angeles Dodgers drafted Dennis Lewallyn in the 1st round (8th pick) of the 1972 amateur draft (January Secondary).
The California Angels drafted Tom Donohue in the 1st round (9th pick) of the 1972 amateur draft (January).
The Kansas City Royals drafted Dave Collins in the 1st round (9th pick) of the 1972 amateur draft (January Secondary), but was not signed.
The Cincinnati Reds drafted Tom Hume in the 1st round (16th pick) of the 1972 amateur draft (January Secondary).
The Milwaukee Brewers drafted Terry Cornutt in the 1st round (17th pick) of the 1972 amateur draft (January Secondary), but was not signed.
The St. Louis Cardinals drafted Dan Boitano in the 1st round (18th pick) of the 1972 amateur draft (January Secondary), but was not signed.
The Cleveland Indians drafted Duane Kuiper in the 1st round (21st pick) of the 1972 amateur draft (January Secondary).
The California Angels drafted Craig Caskey in the 1st round (23rd pick) of the 1972 amateur draft (January Secondary), but was not signed.
The San Francisco Giants drafted Gary Alexander in the 2nd round of the 1972 amateur draft (January Secondary).
The Detroit Tigers drafted Dan Gonzales in the 2nd round of the 1972 amateur draft (January).
The New York Mets drafted Ron Hodges in the 2nd round of the 1972 amateur draft (January Secondary).
The San Francisco Giants drafted Reggie Walton in the 2nd round of the 1972 amateur draft (January).
The Atlanta Braves drafted Sam Bowen in the 2nd round of the 1972 amateur draft (January Secondary), but was not signed.
The Cleveland Indians drafted Don Collins in the 2nd round of the 1972 amateur draft (January Secondary), but was not signed.
The Kansas City Royals drafted Mike Stanton in the 2nd round of the 1972 amateur draft (January Secondary), but was not signed.
The Minnesota Twins drafted Warren Cromartie in the 3rd round of the 1972 amateur draft (January Secondary), but was not signed.
The New York Yankees drafted Larry Wolfe in the 4th round of the 1972 amateur draft (January Secondary), but was not signed.
The New York Mets drafted Randy Tate in the 5th round of the 1972 amateur draft (January).
The Montreal Expos drafted Mike Edwards in the 5th round of the 1972 amateur draft (January), but was not signed.
The Pittsburgh Pirates drafted Jim Morrison in the 5th round of the 1972 amateur draft (January), but was not signed.
The Boston Red Sox drafted Roy Smalley in the 5th round of the 1972 amateur draft (January Secondary), but was not signed.
The Detroit Tigers drafted Art James in the 6th round of the 1972 amateur draft (January).
The Kansas City Royals drafted Jerry Maddox in the 6th round of the 1972 amateur draft (January Secondary), but was not signed.
The Pittsburgh Pirates drafted Larry Demery in the 7th round of the 1972 amateur draft (January Secondary).
The St. Louis Cardinals drafted Keith Smith in the 7th round of the 1972 amateur draft (January), but was not signed.
The Oakland Athletics drafted Rich Dauer in the 9th round of the 1972 amateur draft (January), but was not signed.
The Oakland Athletics drafted Bob Lacey in the 10th round of the 1972 amateur draft (January).
- January 17, 1972
The Cleveland Indians released Chuck Hinton.
- January 18, 1972
The Chicago Cubs signed Steve Hamilton as a free agent.
The Cincinnati Reds released Ty Cline.
The Chicago White Sox released Mike Hershberger.
- January 19, 1972
The Baltimore Orioles traded Fred Beene to the New York Yankees for a player to be named later. The New York Yankees sent Dale Spier (minors) (April 10, 1972) to the Baltimore Orioles to complete the trade.
- January 20, 1972
The Houston Astros released Glenn Adams.
The Chicago Cubs traded Johnny Callison to the New York Yankees for a player to be named later. The New York Yankees sent Jack Aker (May 17, 1972) to the Chicago Cubs to complete the trade.
- January 26, 1972
The California Angels traded Tommie Reynolds to the Milwaukee Brewers for Andy Kosco.
- January 28, 1972
The Montreal Expos released Claude Raymond.
- February, 1972
The Baltimore Orioles traded Bill Burbach to the Detroit Tigers for John Donaldson.
- February 2, 1972
The New York Yankees purchased Hal Lanier from the San Francisco Giants.
- February 3, 1972
The Kansas City Royals released Billy Sorrell. (Date given is approximate. Exact date is uncertain.)
- February 5, 1972
The Chicago White Sox purchased Pete Hamm from the Minnesota Twins.
- February 7, 1972
The Chicago White Sox purchased Rich Robertson from the San Francisco Giants.
- February 8, 1972
The Philadelphia Phillies traded Bobby Pfeil to the Milwaukee Brewers for a player to be named later. The Milwaukee Brewers sent Chico Vaughns (minors) (March 25, 1972) to the Philadelphia Phillies to complete the trade.
- February 11, 1972
The Atlanta Braves released Ron Herbel.
- February 14, 1972
The Chicago Cubs signed Julio González as an amateur free agent.
The New York Yankees released Ron Hansen.
- February 25, 1972
The Philadelphia Phillies traded Rick Wise to the St. Louis Cardinals for Steve Carlton.
- March 1, 1972
The San Diego Padres purchased Dick Baney from the Baltimore Orioles.
The Philadelphia Phillies released Rubén Amaro Sr..
- March 4, 1972
The Oakland Athletics traded Jim Panther and Don Stanhouse to the Texas Rangers for Denny McLain.
- March 7, 1972
The Texas Rangers released Tim Cullen.
- March 11, 1972
The Minnesota Twins signed Ron Herbel as a free agent.
- March 15, 1972
The California Angels signed Orlando Ramírez as an amateur free agent.
The Kansas City Royals purchased José Martínez from the Pittsburgh Pirates.
- March 19, 1972
The Chicago White Sox returned Rich Robertson to the San Francisco Giants following previous purchase.
- March 20, 1972
The Boston Red Sox purchased Bobby Pfeil from the Milwaukee Brewers.
The Boston Red Sox traded Mike Fiore to the St. Louis Cardinals for Bob Burda.
- March 22, 1972
The Boston Red Sox traded Sparky Lyle to the New York Yankees for a player to be named later and Danny Cater. The New York Yankees sent Mario Guerrero (June 30, 1972) to the Boston Red Sox to complete the trade.
- March 24, 1972
The Montreal Expos purchased César Gutiérrez from the Detroit Tigers.
The Cincinnati Reds traded Tony Cloninger to the St. Louis Cardinals for Julián Javier.
- March 25, 1972
The Cincinnati Reds signed Manny Sarmiento as an amateur free agent.
The Cincinnati Reds traded Buddy Bradford to the Chicago White Sox for a player to be named later. The Chicago White Sox sent Roe Skidmore (April 28, 1972) to the Cincinnati Reds to complete the trade.
- March 26, 1972
The Milwaukee Brewers traded Richard Stonum (minors) to the St. Louis Cardinals for Frank Linzy.
- March 27, 1972
The San Francisco Giants released Rich Robertson.
The New York Mets selected Bill Sudakis off waivers from the Los Angeles Dodgers.
- March 28, 1972
The Kansas City Royals purchased Carl Taylor from the Pittsburgh Pirates.
The Montreal Expos released Ron Taylor.
- March 29, 1972
The Cleveland Indians purchased Marcelino López from the Milwaukee Brewers.
- March 30, 1972
The Oakland Athletics released Tommy Davis.
- March 31, 1972
The New York Yankees purchased Frank Tepedino from the Milwaukee Brewers.
The Milwaukee Brewers released Don Pavletich.
The Chicago Cubs traded Ray Newman to the Milwaukee Brewers for Odis McCowan (minors) and Floyd Weaver.
The Milwaukee Brewers released Aurelio Monteagudo.
The San Diego Padres signed Aurelio Monteagudo as a free agent.
- April, 1972
The San Diego Padres purchased John Donaldson from the Baltimore Orioles.
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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