Transactions in 1980 Previous Year / Next Year
Note about 1876 and 1887 stats
1980 AL
| NL
League Yearly Summary -
Expanded Standings: AL
| NL
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Expanded Leaderboards: AL
| ML
| NL
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Players: Batting -
Pitching -
Fielding -
Other: New Debuts -
Final Year -
Born this year -
Died this year -
Transactions -
Amateur Draft -
League Splits - Bat: ML-NL-AL -
Pitch: ML-NL-AL
November 1, 1979
Rowland Office of the Atlanta Braves granted free agency.
Don Stanhouse of the Baltimore Orioles granted free agency.
Bob Montgomery of the Boston Red Sox granted free agency.
Bob Watson of the Boston Red Sox granted free agency.
Nolan Ryan of the California Angels granted free agency.
Don Kessinger of the Chicago White Sox granted free agency.
Milt May of the Chicago White Sox granted free agency.
Jorge Orta of the Chicago White Sox granted free agency.
Rusty Torres of the Chicago White Sox granted free agency.
Paul Blair of the Cincinnati Reds granted free agency.
Joe Morgan of the Cincinnati Reds granted free agency.
Fred Norman of the Cincinnati Reds granted free agency.
Rick Wise of the Cleveland Indians granted free agency.
Jesus Alou of the Houston Astros granted free agency.
Al Hrabosky of the Kansas City Royals granted free agency.
Freddie Patek of the Kansas City Royals granted free agency.
Lerrin LaGrow of the Los Angeles Dodgers granted free agency.
Jim Wohlford of the Milwaukee Brewers granted free agency.
Glenn Borgmann of the Minnesota Twins granted free agency.
Dave Goltz of the Minnesota Twins granted free agency.
Rudy May of the Montreal Expos granted free agency.
Tony Perez of the Montreal Expos granted free agency.
Andy Hassler of the New York Mets granted free agency.
Ed Kranepool of the New York Mets granted free agency.
Skip Lockwood of the New York Mets granted free agency.
Don Hood of the New York Yankees granted free agency.
Jim Kaat of the New York Yankees granted free agency.
Len Randle of the New York Yankees granted free agency.
George Scott of the New York Yankees granted free agency.
Roy White of the New York Yankees granted free agency.
Dave Chalk of the Oakland Athletics granted free agency.
Dave Hamilton of the Oakland Athletics granted free agency.
Greg Gross of the Philadelphia Phillies granted free agency.
Dock Ellis of the Pittsburgh Pirates granted free agency.
Bruce Kison of the Pittsburgh Pirates granted free agency.
Rennie Stennett of the Pittsburgh Pirates granted free agency.
Jay Johnstone of the San Diego Padres granted free agency.
Wayne Twitchell of the Seattle Mariners granted free agency.
Bobby Valentine of the Seattle Mariners granted free agency.
John Curtis of the San Francisco Giants granted free agency.
Tim Johnson of the Toronto Blue Jays granted free agency.
Tony Solaita of the Toronto Blue Jays granted free agency.
The New York Yankees traded Jim Beattie, Rick Anderson, Juan Beniquez, and Jerry Narron to the Seattle Mariners for Ruppert Jones and Jim Lewis.
The New York Yankees traded Chris Chambliss, Damaso Garcia, and Paul Mirabella to the Toronto Blue Jays for Tom Underwood, Rick Cerone, and Ted Wilborn.
November 5, 1979
The Toronto Blue Jays purchased Domingo Ramos from the Texas Rangers.
The Toronto Blue Jays released Dave McKay.
November 7, 1979
The Philadelphia Phillies released Tim McCarver.
November 8, 1979
The New York Yankees signed Rudy May as a free agent.
The New York Yankees signed Bob Watson as a free agent.
November 9, 1979
The Seattle Mariners purchased Dan O'Brien from the St. Louis Cardinals.
November 14, 1979
The Los Angeles Dodgers signed Dave Goltz as a free agent.
The Chicago White Sox released Art Kusnyer.
The New York Yankees traded players to be named later and cash to the Texas Rangers for Eric Soderholm. The New York Yankees sent Amos Lewis (minors) (December 13, 1979) and Ricky Burdette (minors) (December 13, 1979) to the Texas Rangers to complete the trade.
November 16, 1979
The Boston Red Sox signed Tony Perez as a free agent.
The California Angels signed Bruce Kison as a free agent.
November 17, 1979
The Los Angeles Dodgers signed Don Stanhouse as a free agent.
November 19, 1979
The Houston Astros signed Nolan Ryan as a free agent.
The San Diego Padres signed Rick Wise as a free agent.
November 20, 1979
The Atlanta Braves signed Al Hrabosky as a free agent.
November 21, 1979
The Pittsburgh Pirates signed Andy Hassler as a free agent.
The Houston Astros signed Julio Solano as an amateur free agent.
The Seattle Mariners purchased Kip Young from the Detroit Tigers.
November 24, 1979
The Pittsburgh Pirates signed Cecilio Guante as an amateur free agent.
November 26, 1979
The San Diego Padres signed John Curtis as a free agent.
November 27, 1979
The Boston Red Sox signed Skip Lockwood as a free agent.
The Montreal Expos traded Dave Cash to the San Diego Padres for Bill Almon and Dan Briggs.
November 28, 1979
The Los Angeles Dodgers released Vic Davalillo.
December 1, 1979
Willie Horton of the Seattle Mariners granted free agency.
December 3, 1979
The Toronto Blue Jays drafted Mike Macha from the Atlanta Braves in the 1979 rule 5 draft.
The Cleveland Indians drafted Andres Mora from the Baltimore Orioles in the 1979 rule 5 draft.
The Milwaukee Brewers drafted Mark Brouhard from the California Angels in the 1979 rule 5 draft.
The Chicago White Sox drafted Bruce Kimm from the Chicago Cubs in the 1979 rule 5 draft.
The Minnesota Twins drafted Doug Corbett from the Cincinnati Reds in the 1979 rule 5 draft.
The California Angels drafted Alfredo Martinez from the New York Mets in the 1979 rule 5 draft.
The Chicago White Sox drafted Greg Walker from the Philadelphia Phillies in the 1979 rule 5 draft.
The Minnesota Twins drafted Guy Sularz from the San Francisco Giants in the 1979 rule 5 draft.
The Kansas City Royals drafted Manny Castillo from the St. Louis Cardinals in the 1979 rule 5 draft.
The Montreal Expos signed Fred Norman as a free agent.
The Atlanta Braves traded Rick Wieters (minors) to the Chicago White Sox for Bill Nahorodny.
The Montreal Expos traded a player to be named later and cash to the Detroit Tigers for Rusty Staub. The Montreal Expos sent Randy Schafer (minors) (December 3, 1979) to the Detroit Tigers to complete the trade.
The San Diego Padres selected Von Joshua off waivers from the Los Angeles Dodgers.
December 4, 1979
The San Francisco Giants drafted Nate Snell from the Baltimore Orioles in the 1979 minor league draft.
The Toronto Blue Jays drafted Mitch Webster from the Los Angeles Dodgers in the 1979 minor league draft.
The Los Angeles Dodgers signed Jay Johnstone as a free agent.
The Milwaukee Brewers purchased Fred Holdsworth from the Detroit Tigers.
December 5, 1979
The California Angels signed Freddie Patek as a free agent.
The Atlanta Braves traded Barry Bonnell, Pat Rockett, and Joey McLaughlin to the Toronto Blue Jays for Chris Chambliss and Luis Gomez.
The California Angels traded a player to be named later to the Seattle Mariners for John Montague. The California Angels sent Jim Anderson (December 5, 1979) to the Seattle Mariners to complete the trade.
The Detroit Tigers traded Fernando Arroyo to the Minnesota Twins for Jeff Holly.
December 6, 1979
The Montreal Expos signed Rowland Office as a free agent.
The Atlanta Braves traded Adrian Devine and Pepe Frias to the Texas Rangers for Doyle Alexander, Larvell Blanks, and $50,000.
The Baltimore Orioles traded John Flinn to the Milwaukee Brewers for Lenn Sakata.
The California Angels traded Rance Mulliniks and Willie Aikens to the Kansas City Royals for a player to be named later, Al Cowens, and Todd Cruz. The Kansas City Royals sent Craig Eaton (April 1, 1980) to the California Angels to complete the trade.
The Cleveland Indians traded Ted Cox to the Seattle Mariners for a player to be named later, Rafael Vasquez, and Rob Pietroburgo (minors). The Seattle Mariners sent Bud Anderson (March 29, 1980) to the Cleveland Indians to complete the trade.
December 7, 1979
The San Diego Padres purchased Aurelio Rodriguez from the Detroit Tigers for $200,000.
The Baltimore Orioles traded Tom Chism to the Minnesota Twins for Dan Graham.
The Cleveland Indians traded Bobby Bonds to the St. Louis Cardinals for Jerry Mumphrey and John Denny.
The Detroit Tigers traded Ron LeFlore to the Montreal Expos for Dan Schatzeder.
The Minnesota Twins traded Paul Thormodsgard to the Philadelphia Phillies for Pete Mackanin.
December 10, 1979
The New York Yankees purchased Andre Robertson from the Toronto Blue Jays.
The New York Mets traded Jody Davis to the St. Louis Cardinals for Ray Searage.
December 11, 1979
The New York Mets released Bob Apodaca.
December 12, 1979
The San Francisco Giants signed Milt May as a free agent.
The San Francisco Giants signed Rennie Stennett as a free agent.
The San Francisco Giants signed Jim Wohlford as a free agent.
The Chicago White Sox purchased Bill Atkinson from the Montreal Expos.
The Kansas City Royals released Jim Nettles.
December 13, 1979
The Philadelphia Phillies signed Greg Gross as a free agent.
December 18, 1979
The Philadelphia Phillies released Jack Kucek.
December 19, 1979
The Cleveland Indians signed Jorge Orta as a free agent.
The San Francisco Giants released Rob Andrews.
December 20, 1979
The Seattle Mariners signed Willie Horton as a free agent.
The Philadelphia Phillies signed Jerry Willard as an amateur free agent.
December 21, 1979
The Cleveland Indians traded Larry Andersen to the Pittsburgh Pirates for Larry Littleton and John Burden (minors).
December 26, 1979
The New York Mets signed Scott Holman as an amateur free agent.
1980
The California Angels signed Dave Freisleben as a free agent.
The Minnesota Twins released Jim Gideon.
The Minnesota Twins released Rudy Meoli.
The Seattle Mariners released Leroy Stanton.
The Atlanta Braves released Larry Anderson.
The Baltimore Orioles signed Larry Anderson as a free agent.
January 4, 1980
The Cleveland Indians traded David Clyde and Jim Norris to the Texas Rangers for Larry McCall, Gary Gray, and Mike Bucci (minors).
January 5, 1980
The Kansas City Royals signed Tom Candiotti as a free agent.
January 6, 1980
The Minnesota Twins signed Albert Williams as a free agent.
January 8, 1980
The Toronto Blue Jays released Dale Mohorcic.
January 10, 1980
The Toronto Blue Jays signed Jack Kucek as a free agent.
January 11, 1980
The Atlanta Braves drafted Craig McMurtry in the 1st round (4th pick) of the 1980 amateur draft.
The Baltimore Orioles drafted Mike Young in the 1st round (11th pick) of the 1980 amateur draft (Secondary Phase).
The Chicago White Sox drafted Tim Hulett in the 1st round (3rd pick) of the 1980 amateur draft (Secondary Phase).
The Chicago White Sox drafted Jim Siwy in the 3rd round of the 1980 amateur draft.
The Detroit Tigers drafted Mike Laga in the 1st round (17th pick) of the 1980 amateur draft.
The Los Angeles Dodgers drafted Ricky Wright in the 1st round (2nd pick) of the 1980 amateur draft (Secondary Phase).
The Los Angeles Dodgers drafted R.J. Reynolds in the 2nd round of the 1980 amateur draft.
The Los Angeles Dodgers drafted Larry See in the 3rd round of the 1980 amateur draft.
The Montreal Expos drafted Mike Stenhouse in the 1st round (4th pick) of the 1980 amateur draft (Secondary Phase).
The New York Yankees drafted Tom Dodd in the 1st round (7th pick) of the 1980 amateur draft (Secondary Phase).
The Philadelphia Phillies drafted Tony Ghelfi in the 1st round (14th pick) of the 1980 amateur draft. Player signed January 19, 1980.
The Seattle Mariners drafted Dan Firova in the 2nd round of the 1980 amateur draft (Secondary Phase).
The St. Louis Cardinals drafted Kevin Hagen in the 4th round of the 1980 amateur draft.
The Texas Rangers drafted Tom Dunbar in the 1st round (25th pick) of the 1980 amateur draft (Secondary Phase).
The Texas Rangers drafted Billy Taylor in the 2nd round of the 1980 amateur draft. Player signed March 24, 1980.
The Texas Rangers drafted Daryl Smith in the 6th round of the 1980 amateur draft.
The Baltimore Orioles drafted Ed Wojna in the 6th round of the 1980 amateur draft, but was not signed.
The Boston Red Sox drafted Ray Krawczyk in the 1st round (23rd pick) of the 1980 amateur draft, but was not signed.
The California Angels drafted Kevin Romine in the 3rd round of the 1980 amateur draft, but was not signed.
The Chicago Cubs drafted Tom Henke in the 1st round (24th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The Chicago Cubs drafted Jim Eppard in the 11th round of the 1980 amateur draft, but was not signed.
The Detroit Tigers drafted Randy Hunt in the 5th round of the 1980 amateur draft, but was not signed.
The Houston Astros drafted Billy Hatcher in the 2nd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The Houston Astros drafted Donnie Hill in the 5th round of the 1980 amateur draft, but was not signed.
The Kansas City Royals drafted Tim Crews in the 2nd round of the 1980 amateur draft, but was not signed.
The Los Angeles Dodgers drafted Ralph Bryant in the 6th round of the 1980 amateur draft, but was not signed.
The Milwaukee Brewers drafted Herm Winningham in the 1st round (19th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The Milwaukee Brewers drafted Randy O'Neal in the 3rd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The Minnesota Twins drafted Steve Ellsworth in the 7th round of the 1980 amateur draft, but was not signed.
The Montreal Expos drafted Mike Sharperson in the 2nd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The Montreal Expos drafted Bryan Kelly in the 8th round of the 1980 amateur draft, but was not signed.
The Oakland Athletics drafted Dave Gallagher in the 1st round (3rd pick) of the 1980 amateur draft, but was not signed.
The Pittsburgh Pirates drafted Keith Creel in the 1st round (6th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The Pittsburgh Pirates drafted Tom Nieto in the 3rd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The Pittsburgh Pirates drafted Bill Bathe in the 10th round of the 1980 amateur draft, but was not signed.
The San Diego Padres drafted Ken Dowell in the 1st round (6th pick) of the 1980 amateur draft, but was not signed.
The San Diego Padres drafted Curt Wardle in the 2nd round of the 1980 amateur draft, but was not signed.
The Seattle Mariners drafted Bill Mooneyham in the 1st round (13th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The San Francisco Giants drafted Jeff Dedmon in the 1st round (8th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The Texas Rangers drafted Al Newman in the 3rd round of the 1980 amateur draft, but was not signed.
The Toronto Blue Jays drafted Roger Samuels in the 2nd round of the 1980 amateur draft, but was not signed.
January 15, 1980
The Los Angeles Dodgers signed Gilberto Reyes as an amateur free agent.
The Chicago White Sox traded Eddie Bane to the Kansas City Royals for Joe Zdeb.
January 18, 1980
The Chicago White Sox signed Juan Agosto as a free agent.
January 20, 1980
The Cincinnati Reds signed John Hale as a free agent.
The Montreal Expos signed Angel Salazar as an amateur free agent.
January 24, 1980
The New York Yankees signed Jim Nettles as a free agent.
January 26, 1980
The Chicago White Sox signed Leo Garcia as a free agent.
January 29, 1980
The Chicago White Sox signed Glenn Borgmann as a free agent.
January 30, 1980
The Cleveland Indians signed Roger Moret as a free agent.
The Yakult Swallows (Japan Central) purchased Sam Perlozzo from the San Diego Padres.
January 31, 1980
The Houston Astros signed Joe Morgan as a free agent.
The Philadelphia Phillies signed Lerrin LaGrow as a free agent.
February 2, 1980
The Los Angeles Dodgers signed Rafael Montalvo as an amateur free agent.
February 5, 1980
The Chicago Cubs released Derek Botelho.
February 8, 1980
The Houston Astros released Tom Dixon.
February 15, 1980
The San Diego Padres released Fernando Gonzalez.
The Atlanta Braves traded Don Collins to the Cleveland Indians for Gary Melson (minors).
The Cleveland Indians traded Jerry Mumphrey to the San Diego Padres for Bob Owchinko and Jim Wilhelm.
The San Diego Padres traded Gaylord Perry, Tucker Ashford, and Joe Carroll (minors) to the Texas Rangers for Willie Montanez.
February 19, 1980
The Chicago White Sox signed Rusty Torres as a free agent.
February 20, 1980
The Oakland Athletics signed Dave Hamilton as a free agent.
The Philadelphia Phillies purchased Porfi Altamirano from the Miami (Inter-American).
The Houston Astros traded Reggie Baldwin to the New York Mets for Keith Bodie (minors).
February 21, 1980
The Houston Astros released Frank Riccelli.
February 22, 1980
The New York Mets signed Rob Andrews as a free agent.
February 26, 1980
The New York Mets signed Tom Dixon as a free agent.
February 27, 1980
The Kansas City Royals signed Jim Scranton as an amateur free agent.
February 28, 1980
The Boston Red Sox signed Luis Aponte as a free agent.
February 29, 1980
The Oakland Athletics signed Keith Comstock as a free agent.
March 3, 1980
The Montreal Expos released Dyar Miller.
March 5, 1980
The Philadelphia Phillies signed Bill Johnson as an amateur free agent.
March 10, 1980
The New York Yankees signed Jose Cano as an amateur free agent.
March 13, 1980
The San Francisco Giants signed Rudy Meoli as a free agent.
The St. Louis Cardinals signed Don Hood as a free agent.
March 15, 1980
The Detroit Tigers traded Jerry Manuel to the Montreal Expos for Duffy Dyer.
The Montreal Expos traded a player to be named later and cash to the San Francisco Giants for John Tamargo. The Montreal Expos sent Joe Pettini (March 15, 1980) to the San Francisco Giants to complete the trade.
March 17, 1980
The California Angels traded Mike Barlow to the Toronto Blue Jays for Mark Wiley.
March 18, 1980
The Montreal Expos released Jim Mason.
March 20, 1980
The Seattle Mariners signed Len Randle as a free agent.
March 21, 1980
The Oakland Athletics released Jim Todd.
The Oakland Athletics released Joe Wallis.
March 25, 1980
The Seattle Mariners released Danny Walton.
March 26, 1980
The Los Angeles Dodgers traded Ron Washington to the Minnesota Twins for Wayne Caughey (minors).
March 27, 1980
The Los Angeles Dodgers released Ken Brett.
The Los Angeles Dodgers released Johnny Oates.
March 28, 1980
The Kansas City Royals signed Dave Chalk as a free agent.
The Cleveland Indians released Roger Moret.
The Atlanta Braves traded Eddie Solomon to the Pittsburgh Pirates for a player to be named later. The Pittsburgh Pirates sent Greg Field (minors) (April 25, 1980) to the Atlanta Braves to complete the trade.
March 29, 1980
The Atlanta Braves released Mickey Mahler.
The Seattle Mariners released Dan O'Brien.
The Toronto Blue Jays released Rico Carty.
The Toronto Blue Jays released Steve Luebber.
March 30, 1980
The California Angels released Danny Boone.
The Boston Red Sox traded a player to be named later and cash to the Philadelphia Phillies for Dave Rader. The Boston Red Sox sent Stan Papi (May 12, 1980) to the Philadelphia Phillies to complete the trade.
March 31, 1980
The California Angels released Chuck Porter.
The St. Louis Cardinals released Tom Bruno.
The St. Louis Cardinals released Will McEnaney.
The Texas Rangers released David Clyde.
The Montreal Expos traded Rusty Staub to the Texas Rangers for La Rue Washington and Chris Smith.
April 1, 1980 (Standings)
The Minnesota Twins returned Guy Sularz (earlier draft pick) to the San Francisco Giants.
The New York Yankees signed Jim Kaat as a free agent.
The New York Yankees purchased Marshall Brant from the New York Mets.
The Chicago Cubs purchased Len Randle from the Seattle Mariners.
The California Angels released Dave Freisleben.
The California Angels released Ike Hampton.
The California Angels released Orlando Ramirez.
The Chicago White Sox released Rusty Torres.
The New York Mets released Bruce Boisclair.
The Pittsburgh Pirates traded a player to be named later and cash to the Seattle Mariners for Odell Jones. The Pittsburgh Pirates sent Larry Andersen (October 29, 1980) to the Seattle Mariners to complete the trade.
April 2, 1980 (Standings)
The San Diego Padres signed Danny Boone as a free agent.
The Cincinnati Reds released Manny Sarmiento.
The San Francisco Giants released Jeff Little.
The St. Louis Cardinals released Roger Freed.
The Toronto Blue Jays released Butch Edge.
April 3, 1980 (Standings)
The Minnesota Twins purchased Greg Johnston from the San Francisco Giants.
The Baltimore Orioles released Billy Smith.
The Chicago White Sox released Glenn Borgmann.
The Milwaukee Brewers released Ray Fosse.
The Minnesota Twins released Paul Hartzell.
The Minnesota Twins released Bob Randall.
The San Francisco Giants released Pedro Borbon.
The San Francisco Giants released Rudy Meoli.
April 4, 1980 (Standings)
The New York Yankees signed Johnny Oates as a free agent.
The Oakland Athletics signed Dave McKay as a free agent.
The Houston Astros released Ricky Adams.
The Los Angeles Dodgers released Ted Martinez.
The Philadelphia Phillies released Doug Bird.
The Philadelphia Phillies released Rawly Eastwick.
The Philadelphia Phillies released Bud Harrelson.
April 5, 1980 (Standings)
The Baltimore Orioles signed Steve Luebber as a free agent.
The Pittsburgh Pirates signed Dale Mohorcic as a free agent.
The Kansas City Royals released Eduardo Rodriguez.
April 6, 1980 (Standings)
The Seattle Mariners signed Kim Allen as a free agent.
The Texas Rangers signed Danny Walton as a free agent.
The San Francisco Giants purchased Allen Ripley from the Boston Red Sox.
April 7, 1980 (Standings)
The Philadelphia Phillies signed Roger Freed as a free agent.
The St. Louis Cardinals signed Jeff Little as a free agent.
The Chicago Cubs purchased Mark Lemongello from the Toronto Blue Jays.
April 8, 1980 (Standings)
The Chicago White Sox signed Glenn Borgmann as a free agent.
The Cincinnati Reds released George Cappuzzello.
April 9, 1980 (Standings)
The Seattle Mariners selected Dave Heaverlo off waivers from the Oakland Athletics.
April 10, 1980 (Standings)
The Atlanta Braves signed Butch Edge as a free agent. (Date given is approximate. Exact date is uncertain.)
The Oakland Athletics signed Randy Elliott as a free agent.
The Pittsburgh Pirates signed Mickey Mahler as a free agent.
April 12, 1980 (Standings)
The New York Mets signed Dyar Miller as a free agent.
April 14, 1980 (Standings)
The Seattle Mariners signed Manny Sarmiento as a free agent.
April 21, 1980 (Standings)
The Baltimore Orioles signed Paul Hartzell as a free agent.
April 24, 1980 (Standings)
The Seattle Mariners purchased Dave Roberts from the Pittsburgh Pirates.
April 28, 1980 (Standings)
The Detroit Tigers signed George Cappuzzello as a free agent.
The San Diego Padres signed Luis Quinones as an amateur free agent.
April 29, 1980 (Standings)
The New York Yankees signed Doug Bird as a free agent.
The Philadelphia Phillies signed Juan Samuel as an amateur free agent.
April 30, 1980 (Standings)
The St. Louis Cardinals signed Pedro Borbon as a free agent.
The St. Louis Cardinals purchased Jim Kaat from the New York Yankees.
May 2, 1980 (Standings)
The California Angels signed Ricky Adams as a free agent.
May 5, 1980 (Standings)
The Kansas City Royals signed Rusty Torres as a free agent.
May 7, 1980 (Standings)
The Texas Rangers signed Bud Harrelson as a free agent.
The Cleveland Indians purchased Miguel Dilone from the Chicago Cubs.
May 9, 1980 (Standings)
The St. Louis Cardinals released Darold Knowles.
May 12, 1980 (Standings)
The Detroit Tigers sent Jack Billingham to the Boston Red Sox as part of a conditional deal.
May 13, 1980 (Standings)
The California Angels purchased Dave Skaggs from the Baltimore Orioles.
May 16, 1980 (Standings)
The Milwaukee Brewers signed Chuck Porter as a free agent.
The Minnesota Twins signed Bob Randall as a free agent.
The Pittsburgh Pirates signed Ramon Pena as an amateur free agent.
May 27, 1980 (Standings)
The St. Louis Cardinals released Pedro Borbon.
The St. Louis Cardinals released Bernie Carbo.
The California Angels traded Al Cowens to the Detroit Tigers for Jason Thompson.
May 28, 1980 (Standings)
The New York Yankees signed Paul Blair as a free agent.
The Detroit Tigers purchased Mike Macha from the Toronto Blue Jays.
May 29, 1980 (Standings)
The Detroit Tigers purchased Stan Papi from the Philadelphia Phillies.
May 30, 1980 (Standings)
The Boston Red Sox released Ted Sizemore.
June 2, 1980 (Standings)
The Kansas City Royals released Steve Braun.
The Detroit Tigers traded John Martin and Al Greene to the St. Louis Cardinals for Jim Lentine.
June 3, 1980 (Standings)
The Atlanta Braves drafted Ken Dayley in the 1st round (3rd pick) of the 1980 amateur draft.
The Atlanta Braves drafted Jeff Dedmon in the 1st round (5th pick) of the 1980 amateur draft (Secondary Phase).
The Atlanta Braves drafted Jim Acker in the 1st round (21st pick) of the 1980 amateur draft.
The Atlanta Braves drafted Brian Fisher in the 2nd round of the 1980 amateur draft.
The Atlanta Braves drafted Paul Zuvella in the 15th round of the 1980 amateur draft.
The Baltimore Orioles drafted Al Pardo in the 2nd round of the 1980 amateur draft.
The Baltimore Orioles drafted Ken Dixon in the 3rd round of the 1980 amateur draft.
The Baltimore Orioles drafted Carl Nichols in the 4th round of the 1980 amateur draft.
The Baltimore Orioles drafted Mark Brown in the 6th round of the 1980 amateur draft.
The Baltimore Orioles drafted Ricky Jones in the 15th round of the 1980 amateur draft.
The Boston Red Sox drafted Mike Brown in the 2nd round of the 1980 amateur draft.
The Boston Red Sox drafted Pat Dodson in the 6th round of the 1980 amateur draft.
The Boston Red Sox drafted Al Nipper in the 8th round of the 1980 amateur draft.
The Boston Red Sox drafted Oil Can Boyd in the 16th round of the 1980 amateur draft.
The Boston Red Sox drafted Tom Bolton in the 20th round of the 1980 amateur draft. Player signed June 13, 1980.
The California Angels drafted Bill Mooneyham in the 1st round (10th pick) of the 1980 amateur draft (Secondary Phase).
The California Angels drafted Dennis Rasmussen in the 1st round (17th pick) of the 1980 amateur draft.
The California Angels drafted Mike Brown in the 7th round of the 1980 amateur draft.
The Chicago Cubs drafted Don Schulze in the 1st round (11th pick) of the 1980 amateur draft.
The Chicago Cubs drafted Fritzie Connally in the 7th round of the 1980 amateur draft. Player signed June 9, 1980.
The Chicago Cubs drafted Craig Lefferts in the 9th round of the 1980 amateur draft.
The Chicago White Sox drafted Cecil Espy in the 1st round (8th pick) of the 1980 amateur draft.
The Cincinnati Reds drafted Ron Robinson in the 1st round (19th pick) of the 1980 amateur draft.
The Cincinnati Reds drafted Danny Tartabull in the 3rd round of the 1980 amateur draft. Player signed June 10, 1980.
The Cincinnati Reds drafted Eric Davis in the 8th round of the 1980 amateur draft. Player signed June 8, 1980.
The Cincinnati Reds drafted Scott Terry in the 12th round of the 1980 amateur draft.
The Cleveland Indians drafted Dave Gallagher in the 1st round (8th pick) of the 1980 amateur draft (Secondary Phase).
The Cleveland Indians drafted Kelly Gruber in the 1st round (10th pick) of the 1980 amateur draft. Player signed June 8, 1980.
The Cleveland Indians drafted Jeff Moronko in the 6th round of the 1980 amateur draft.
The Cleveland Indians drafted Rich Thompson in the 8th round of the 1980 amateur draft.
The Cleveland Indians drafted Mike Jeffcoat in the 13th round of the 1980 amateur draft.
The Cleveland Indians drafted Jack Fimple in the 29th round of the 1980 amateur draft.
The Detroit Tigers drafted Glenn Wilson in the 1st round (18th pick) of the 1980 amateur draft. Player signed June 9, 1980.
The Detroit Tigers drafted Chuck Hensley in the 10th round of the 1980 amateur draft.
The Detroit Tigers drafted Dwight Lowry in the 11th round of the 1980 amateur draft.
The Detroit Tigers drafted Ron Mathis in the 30th round of the 1980 amateur draft.
The Houston Astros drafted Jeff Heathcock in the 1st round (1st pick) of the 1980 amateur draft (Secondary Phase).
The Houston Astros drafted Jeff Calhoun in the 3rd round of the 1980 amateur draft. Player signed June 17, 1980.
The Kansas City Royals drafted Keith Creel in the 1st round (4th pick) of the 1980 amateur draft (Secondary Phase).
The Kansas City Royals drafted Frank Wills in the 1st round (16th pick) of the 1980 amateur draft.
The Kansas City Royals drafted Rondin Johnson in the 6th round of the 1980 amateur draft.
The Kansas City Royals drafted Don Slaught in the 7th round of the 1980 amateur draft. Player signed June 15, 1980.
The Kansas City Royals drafted Cliff Pastornicky in the 8th round of the 1980 amateur draft.
The Kansas City Royals drafted Butch Davis in the 12th round of the 1980 amateur draft.
The Kansas City Royals drafted Bob Hegman in the 15th round of the 1980 amateur draft.
The Kansas City Royals drafted Tom Romano in the 17th round of the 1980 amateur draft.
The Los Angeles Dodgers drafted Ross Jones in the 1st round (9th pick) of the 1980 amateur draft.
The Los Angeles Dodgers drafted Tom Klawitter in the 19th round of the 1980 amateur draft.
The Milwaukee Brewers drafted Dion James in the 1st round (25th pick) of the 1980 amateur draft.
The Milwaukee Brewers drafted Randy Ready in the 6th round of the 1980 amateur draft. Player signed June 9, 1980.
The Minnesota Twins drafted Jeff Reed in the 1st round (12th pick) of the 1980 amateur draft. Player signed June 9, 1980.
The Minnesota Twins drafted Tim Teufel in the 2nd round of the 1980 amateur draft.
The Minnesota Twins drafted Jim Weaver in the 2nd round of the 1980 amateur draft.
The Minnesota Twins drafted Scotti Madison in the 3rd round of the 1980 amateur draft.
The Minnesota Twins drafted Rod Booker in the 4th round of the 1980 amateur draft.
The Minnesota Twins drafted Andre David in the 8th round of the 1980 amateur draft.
The Minnesota Twins drafted Jim Eisenreich in the 16th round of the 1980 amateur draft. Player signed June 5, 1980.
The Minnesota Twins drafted Rich Yett in the 26th round of the 1980 amateur draft.
The Montreal Expos drafted Terry Francona in the 1st round (22nd pick) of the 1980 amateur draft.
The Montreal Expos drafted Joe Hesketh in the 2nd round of the 1980 amateur draft. Player signed June 4, 1980.
The Montreal Expos drafted Greg Bargar in the 3rd round of the 1980 amateur draft.
The Montreal Expos drafted Tom Gorman in the 4th round of the 1980 amateur draft. Player signed June 12, 1980.
The Montreal Expos drafted Roy Johnson in the 5th round of the 1980 amateur draft.
The Montreal Expos drafted Bryan Little in the 9th round of the 1980 amateur draft.
The New York Mets drafted Darryl Strawberry in the 1st round (1st pick) of the 1980 amateur draft. Player signed July 11, 1980.
The New York Mets drafted Billy Beane in the 1st round (23rd pick) of the 1980 amateur draft.
The New York Mets drafted John Gibbons in the 1st round (24th pick) of the 1980 amateur draft.
The New York Mets drafted Jay Tibbs in the 2nd round of the 1980 amateur draft. Player signed June 6, 1980.
The New York Mets drafted Ronn Reynolds in the 5th round of the 1980 amateur draft. Player signed June 7, 1980.
The New York Mets drafted Jeff Bittiger in the 7th round of the 1980 amateur draft. Player signed July 1, 1980.
The New York Mets drafted Lloyd McClendon in the 8th round of the 1980 amateur draft.
The New York Mets drafted Rick Ownbey in the 13th round of the 1980 amateur draft.
The New York Yankees drafted Clay Christiansen in the 15th round of the 1980 amateur draft.
The New York Yankees drafted Ben Callahan in the 31st round of the 1980 amateur draft.
The Oakland Athletics drafted Rich Bordi in the 3rd round of the 1980 amateur draft.
The Philadelphia Phillies drafted Ken Dowell in the 3rd round of the 1980 amateur draft (Secondary Phase).
The Philadelphia Phillies drafted Ed Wojna in the 5th round of the 1980 amateur draft (Secondary Phase). Player signed November 13, 1980.
The Philadelphia Phillies drafted Steve Jeltz in the 9th round of the 1980 amateur draft.
The Philadelphia Phillies drafted Rocky Childress in the 21st round of the 1980 amateur draft. Player signed June 10, 1980.
The Philadelphia Phillies drafted Marty Decker in the 23rd round of the 1980 amateur draft. Player signed June 8, 1980.
The Philadelphia Phillies drafted Darren Daulton in the 25th round of the 1980 amateur draft. Player signed June 8, 1980.
The Pittsburgh Pirates drafted Rich Renteria in the 1st round (20th pick) of the 1980 amateur draft.
The Pittsburgh Pirates drafted Tim Burke in the 2nd round of the 1980 amateur draft.
The Pittsburgh Pirates drafted Joe Orsulak in the 6th round of the 1980 amateur draft. Player signed August 20, 1980.
The San Diego Padres drafted Gerry Davis in the 6th round of the 1980 amateur draft.
The San Diego Padres drafted George Hinshaw in the 11th round of the 1980 amateur draft.
The San Diego Padres drafted Mike Couchee in the 19th round of the 1980 amateur draft.
The Seattle Mariners drafted Harold Reynolds in the 1st round (2nd pick) of the 1980 amateur draft (Secondary Phase).
The Seattle Mariners drafted Darnell Coles in the 1st round (6th pick) of the 1980 amateur draft. Player signed June 13, 1980.
The Seattle Mariners drafted Matt Young in the 2nd round of the 1980 amateur draft.
The Seattle Mariners drafted Donell Nixon in the 10th round of the 1980 amateur draft.
The Seattle Mariners drafted Ed Vande Berg in the 13th round of the 1980 amateur draft.
The Seattle Mariners drafted John Moses in the 16th round of the 1980 amateur draft.
The Seattle Mariners drafted Rusty McNealy in the 17th round of the 1980 amateur draft.
The San Francisco Giants drafted Jessie Reid in the 1st round (7th pick) of the 1980 amateur draft.
The San Francisco Giants drafted Alan Fowlkes in the 10th round of the 1980 amateur draft.
The San Francisco Giants drafted Randy Gomez in the 25th round of the 1980 amateur draft.
The San Francisco Giants drafted Mark Dempsey in the 26th round of the 1980 amateur draft.
The St. Louis Cardinals drafted Ricky Horton in the 4th round of the 1980 amateur draft.
The St. Louis Cardinals drafted Jim Adduci in the 7th round of the 1980 amateur draft.
The Texas Rangers drafted Mike Mason in the 1st round (12th pick) of the 1980 amateur draft (Secondary Phase).
The Texas Rangers drafted Dwayne Henry in the 2nd round of the 1980 amateur draft. Player signed June 10, 1980.
The Texas Rangers drafted Tom Henke in the 4th round of the 1980 amateur draft (Secondary Phase).
The Texas Rangers drafted Curtis Wilkerson in the 4th round of the 1980 amateur draft.
The Texas Rangers drafted Walt Terrell in the 33rd round of the 1980 amateur draft.
The Atlanta Braves drafted Darrel Akerfelds in the 9th round of the 1980 amateur draft, but was not signed.
The Baltimore Orioles drafted Randy Asadoor in the 11th round of the 1980 amateur draft, but was not signed.
The Baltimore Orioles drafted Tom Funk in the 23rd round of the 1980 amateur draft, but was not signed.
The Boston Red Sox drafted Dave Magadan in the 12th round of the 1980 amateur draft, but was not signed.
The California Angels drafted Orestes Destrade in the 23rd round of the 1980 amateur draft, but was not signed.
The California Angels drafted Ricky Nelson in the 24th round of the 1980 amateur draft, but was not signed.
The Chicago Cubs drafted Bruce Tanner in the 33rd round of the 1980 amateur draft, but was not signed.
The Chicago White Sox drafted Calvin Schiraldi in the 17th round of the 1980 amateur draft, but was not signed.
The Cincinnati Reds drafted Randy O'Neal in the 3rd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The Cleveland Indians drafted Steve Ellsworth in the 3rd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The Cleveland Indians drafted Doug Drabek in the 4th round of the 1980 amateur draft, but was not signed.
The Cleveland Indians drafted Terry Steinbach in the 16th round of the 1980 amateur draft, but was not signed.
The Detroit Tigers drafted Bob Sebra in the 4th round of the 1980 amateur draft, but was not signed.
The Milwaukee Brewers drafted Matt Williams in the 4th round of the 1980 amateur draft, but was not signed.
The Milwaukee Brewers drafted Steve Engel in the 9th round of the 1980 amateur draft, but was not signed.
The Minnesota Twins drafted Mike Fuentes in the 5th round of the 1980 amateur draft, but was not signed.
The Montreal Expos drafted Herm Winningham in the 1st round (15th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The Montreal Expos drafted Chris Sabo in the 30th round of the 1980 amateur draft, but was not signed.
The New York Mets drafted Al Newman in the 2nd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The New York Yankees drafted Randy Hunt in the 3rd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The New York Yankees drafted Glenn Braggs in the 6th round of the 1980 amateur draft, but was not signed.
The New York Yankees drafted Pat Clements in the 32nd round of the 1980 amateur draft, but was not signed.
The Oakland Athletics drafted Terry Bell in the 6th round of the 1980 amateur draft, but was not signed.
The Oakland Athletics drafted John Farrell in the 9th round of the 1980 amateur draft, but was not signed.
The Oakland Athletics drafted Scott Anderson in the 16th round of the 1980 amateur draft, but was not signed.
The Oakland Athletics drafted Danny Jackson in the 24th round of the 1980 amateur draft, but was not signed.
The Philadelphia Phillies drafted Kevin Romine in the 1st round (21st pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The Philadelphia Phillies drafted Mike Brumley in the 16th round of the 1980 amateur draft, but was not signed.
The Philadelphia Phillies drafted Mike Capel in the 24th round of the 1980 amateur draft, but was not signed.
The San Diego Padres drafted Ron Romanick in the 1st round (7th pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The San Diego Padres drafted Glen Cook in the 17th round of the 1980 amateur draft, but was not signed.
The San Diego Padres drafted Jeff Robinson in the 40th round of the 1980 amateur draft, but was not signed.
The Seattle Mariners drafted Ernest Riles in the 21st round of the 1980 amateur draft, but was not signed.
The San Francisco Giants drafted Donnie Hill in the 2nd round of the 1980 amateur draft (Secondary Phase), but was not signed.
The San Francisco Giants drafted Dave Hengel in the 6th round of the 1980 amateur draft, but was not signed.
The San Francisco Giants drafted Brick Smith in the 11th round of the 1980 amateur draft, but was not signed.
The San Francisco Giants drafted Gary Green in the 29th round of the 1980 amateur draft, but was not signed.
The San Francisco Giants drafted Danny Clay in the 30th round of the 1980 amateur draft, but was not signed.
The San Francisco Giants drafted Colin Ward in the 32nd round of the 1980 amateur draft, but was not signed.
The St. Louis Cardinals drafted Ray Krawczyk in the 1st round (23rd pick) of the 1980 amateur draft (Secondary Phase), but was not signed.
The St. Louis Cardinals drafted Dan Plesac in the 2nd round of the 1980 amateur draft, but was not signed.
The St. Louis Cardinals drafted Rick Aguilera in the 37th round of the 1980 amateur draft, but was not signed.
The New York Yankees signed Edwin Rodriguez as an amateur free agent.
The Minnesota Twins released Bob Randall.
The Toronto Blue Jays traded Dave Lemanczyk to the California Angels for a player to be named later. The California Angels sent Ken Schrom (June 10, 1980) to the Toronto Blue Jays to complete the trade.
June 6, 1980 (Standings)
The Detroit Tigers signed Barbaro Garbey as an amateur free agent.
The Toronto Blue Jays purchased Steve Baker from the Detroit Tigers.
The California Angels released Ralph Garr.
The Minnesota Twins released Mike Marshall.
June 7, 1980 (Standings)
The Chicago Cubs signed Henry Cotto as an amateur free agent.
The Chicago White Sox traded Claudell Washington to the New York Mets for Jesse Anderson (minors).
June 8, 1980 (Standings)
The Philadelphia Phillies signed Billy Smith as a free agent.
June 10, 1980 (Standings)
The New York Mets signed Doug Sisk as an amateur free agent.
The California Angels purchased Andy Hassler from the Pittsburgh Pirates.
The Baltimore Orioles traded Larry Johnson, Larry Anderson, and Bill Presley (minors) to the Detroit Tigers for Dan Gonzales and Ed Putnam (minors).
June 12, 1980 (Standings)
The Kansas City Royals signed Rawly Eastwick as a free agent.
Joe Nolan of the Atlanta Braves granted free agency.
The California Angels traded Todd Cruz to the Chicago White Sox for Randy Scarbery.
June 13, 1980 (Standings)
The Cincinnati Reds signed Joe Nolan as a free agent.
The Chicago White Sox traded Alan Bannister to the Cleveland Indians for Ron Pruitt.
June 14, 1980 (Standings)
The Seattle Mariners signed Paul Serna as an amateur free agent.
June 15, 1980 (Standings)
The New York Yankees signed Ed Olwine as an amateur free agent.
June 16, 1980 (Standings)
The Kansas City Royals signed Mark Huismann as an amateur free agent.
The Seattle Mariners purchased Casey Parsons from the San Francisco Giants.
June 17, 1980 (Standings)
The New York Mets traded Kevin Kobel to the Kansas City Royals for a player to be named later. The Kansas City Royals sent Randy McGilberry (June 23, 1980) to the New York Mets to complete the trade.
June 18, 1980 (Standings)
The Minnesota Twins signed Bob Randall as a free agent.
June 19, 1980 (Standings)
The Toronto Blue Jays purchased Charlie Beamon from the Seattle Mariners.
June 20, 1980 (Standings)
The Cleveland Indians purchased Jack Brohamer from the Boston Red Sox.
The Seattle Mariners purchased Marc Hill from the San Francisco Giants.
The California Angels selected Ed Halicki off waivers from the San Francisco Giants.
June 21, 1980 (Standings)
The Toronto Blue Jays signed Steve Braun as a free agent.
The Boston Red Sox released Jack Billingham.
June 22, 1980 (Standings)
The Chicago Cubs signed Bill Landrum as an amateur free agent.
June 23, 1980 (Standings)
The Pittsburgh Pirates signed Trench Davis as an amateur free agent.
The Chicago Cubs traded a player to be named later and cash to the Cleveland Indians for Cliff Johnson. The Chicago Cubs sent Karl Pagel (June 30, 1980) to the Cleveland Indians to complete the trade.
June 24, 1980 (Standings)
The California Angels released Merv Rettenmund.
The Chicago Cubs released Steve Ontiveros.
July 1, 1980 (Standings)
The New York Yankees released Paul Blair.
The Atlanta Braves traded Bill Haselrig (minors) to the New York Mets for Randy Johnson.
July 7, 1980 (Standings)
Bill Almon of the Montreal Expos granted free agency.
July 8, 1980 (Standings)
The Los Angeles Dodgers signed Vic Davalillo as a free agent.
July 9, 1980 (Standings)
The Montreal Expos signed Rick Grapenthin as an amateur free agent.
July 10, 1980 (Standings)
The Pittsburgh Pirates signed Rafael Belliard as an amateur free agent.
July 11, 1980 (Standings)
The New York Mets signed Bill Almon as a free agent.
The Texas Rangers purchased Charlie Hough from the Los Angeles Dodgers.
The Cleveland Indians traded Dave Oliver to the Montreal Expos for Ross Grimsley.
July 12, 1980 (Standings)
The Oakland Athletics signed Bill Krueger as an amateur free agent.
July 14, 1980 (Standings)
The Chicago Cubs signed Rolando Roomes as an amateur free agent.
July 16, 1980 (Standings)
The Minnesota Twins released Bob Randall.
The Atlanta Braves traded Bob Beall to the Pittsburgh Pirates for Jerry McDonald (minors).
July 17, 1980 (Standings)
The Philadelphia Phillies released Lerrin LaGrow.
July 19, 1980 (Standings)
The Toronto Blue Jays signed Dave Shipanoff as an amateur free agent.
The Texas Rangers purchased Rick Auerbach from the Cincinnati Reds.
July 20, 1980 (Standings)
The Chicago Cubs released Ken Henderson.
July 23, 1980 (Standings)
The Atlanta Braves released Terry Leach.
July 24, 1980 (Standings)
The Milwaukee Brewers signed Bill Lyons as an amateur free agent.
July 25, 1980 (Standings)
The Oakland Athletics purchased Orlando Gonzalez from the Philadelphia Phillies.
July 27, 1980 (Standings)
The New York Mets signed Terry Leach as a free agent.
July 28, 1980 (Standings)
The Texas Rangers purchased Ed Figueroa from the New York Yankees.
August, 1980 (Standings)
The Chicago Cubs purchased Keith Drumright from the Kansas City Royals.
August 1, 1980 (Standings)
The New York Yankees signed Jose Rijo as an amateur free agent.
August 4, 1980 (Standings)
The New York Yankees purchased Aurelio Rodriguez from the San Diego Padres.
August 5, 1980 (Standings)
The Pittsburgh Pirates traded Rick Lancellotti and Luis Salazar to the San Diego Padres for a player to be named later and Kurt Bevacqua. The San Diego Padres sent Mark Lee (August 12, 1980) to the Pittsburgh Pirates to complete the trade.
August 6, 1980 (Standings)
The New York Yankees released Jose Cano.
August 8, 1980 (Standings)
The Atlanta Braves released Larvell Blanks.
The Seattle Mariners released Bob Stinson.
The Toronto Blue Jays released Tom Buskey.
August 11, 1980 (Standings)
The Kansas City Royals signed Ken Brett as a free agent.
The San Diego Padres released Von Joshua.
The San Diego Padres released Fred Kendall.
The San Diego Padres traded John D'Acquisto and cash to the Montreal Expos for a player to be named later. The Montreal Expos sent Randy Bass (September 5, 1980) to the San Diego Padres to complete the trade.
August 12, 1980 (Standings)
The Los Angeles Dodgers signed Jose Gonzalez as an amateur free agent.
August 13, 1980 (Standings)
The New York Mets released Jose Cardenal.
August 14, 1980 (Standings)
The Los Angeles Dodgers signed Tom Niedenfuer as an amateur free agent.
The New York Yankees traded a player to be named later and Ken Clay to the Texas Rangers for Gaylord Perry. The New York Yankees sent Marvin Thompson (minors) (October 1, 1980) to the Texas Rangers to complete the trade.
August 16, 1980 (Standings)
The San Francisco Giants released Roger Metzger.
August 18, 1980 (Standings)
The St. Louis Cardinals signed Jose Uribe as a free agent.
The New York Mets signed La Schelle Tarver as an amateur free agent.
August 20, 1980 (Standings)
The Los Angeles Dodgers signed Ed Amelung as an amateur free agent.
The Pittsburgh Pirates released Alberto Lois.
August 21, 1980 (Standings)
The Kansas City Royals signed Jose Cardenal as a free agent.
The Pittsburgh Pirates signed Ravelo Manzanillo as an amateur free agent.
The Kansas City Royals released Rawly Eastwick.
August 28, 1980 (Standings)
The Montreal Expos released Dale Murray.
August 29, 1980 (Standings)
The Los Angeles Dodgers signed Manny Mota as a free agent.
The Kansas City Royals released Steve Busby.
The Kansas City Royals released Rusty Torres.
August 31, 1980 (Standings)
The Montreal Expos traded Tony Phillips and cash to the San Diego Padres for Willie Montanez.
September 1, 1980 (Standings)
The Philadelphia Phillies signed Tim McCarver as a free agent.
The Pittsburgh Pirates signed Bernie Carbo as a free agent.
The Milwaukee Brewers selected John Poff off waivers from the Philadelphia Phillies.
September 2, 1980 (Standings)
The Cincinnati Reds released Dave Tomlin.
September 3, 1980 (Standings)
The Toronto Blue Jays released Balor Moore.
September 10, 1980 (Standings)
The Baltimore Orioles signed Francisco Oliveras as an amateur free agent.
September 11, 1980 (Standings)
The Pittsburgh Pirates selected Jesse Jefferson off waivers from the Toronto Blue Jays.
September 13, 1980 (Standings)
The Los Angeles Dodgers traded Dennis Lewallyn and cash to the Texas Rangers for Pepe Frias.
The Texas Rangers traded Sparky Lyle to the Philadelphia Phillies for a player to be named later. The Philadelphia Phillies sent Kevin Saucier (November 19, 1980) to the Texas Rangers to complete the trade.
September 21, 1980 (Standings)
The Detroit Tigers signed Roger Mason as an amateur free agent.
September 22, 1980 (Standings)
The Milwaukee Brewers purchased Jamie Easterly from the Montreal Expos.
September 30, 1980 (Standings)
The Houston Astros released Alvaro Espinoza.
October 3, 1980 (Standings)
The Chicago White Sox signed Minnie Minoso as a free agent.
October 4, 1980 (Standings)
The Philadelphia Phillies signed Francisco Melendez as an amateur free agent.
October 6, 1980 (Standings)
The Chicago White Sox released Minnie Minoso.
October 8, 1980 (Standings)
The Cleveland Indians signed Bernardo Brito as an amateur free agent.
The Los Angeles Dodgers released Manny Mota.
The Pittsburgh Pirates released Bernie Carbo.
October 10, 1980 (Standings)
The Pittsburgh Pirates released Jim Rooker.
October 16, 1980
The Los Angeles Dodgers released Vic Davalillo.
October 17, 1980
The Chicago Cubs traded Mike O'Berry to the Cincinnati Reds for Jay Howell.
October 20, 1980
The Chicago Cubs released Bill Landrum.
October 21, 1980
The Pittsburgh Pirates released Gene Pentz.
October 22, 1980
Jim Dwyer of the Boston Red Sox granted free agency.
Bill Castro of the Milwaukee Brewers granted free agency.
Jesse Jefferson of the Pittsburgh Pirates granted free agency.
John Milner of the Pittsburgh Pirates granted free agency.
Dave Winfield of the San Diego Padres granted free agency.
Bill Stein of the Seattle Mariners granted free agency.
Ed Figueroa of the Texas Rangers granted free agency.
October 23, 1980
The Minnesota Twins signed Mark Portugal as an amateur free agent.
Pat Kelly of the Baltimore Orioles granted free agency.
Lee May of the Baltimore Orioles granted free agency.
Larry Biittner of the Chicago Cubs granted free agency.
Mick Kelleher of the Chicago Cubs granted free agency.
Don Sutton of the Los Angeles Dodgers granted free agency.
Mike Cubbage of the Minnesota Twins granted free agency.
Geoff Zahn of the Minnesota Twins granted free agency.
Gaylord Perry of the New York Yankees granted free agency.
Rusty Staub of the Texas Rangers granted free agency.
Roy Howell of the Toronto Blue Jays granted free agency.
The Oakland Athletics released Randy Elliott.
October 24, 1980
Len Randle of the Chicago Cubs granted free agency.
Dan Spillner of the Cleveland Indians granted free agency.
Dave Chalk of the Kansas City Royals granted free agency.
Pete LaCock of the Kansas City Royals granted free agency.
Marty Pattin of the Kansas City Royals granted free agency.
Jose Morales of the Minnesota Twins granted free agency.
Juan Beniquez of the Seattle Mariners granted free agency.
Mike Sadek of the San Francisco Giants granted free agency.
The California Angels released Ed Halicki.
The California Angels released Dave Lemanczyk.
The Cincinnati Reds released Vic Correll.
The New York Yankees released Don Gullett.
The Philadelphia Phillies released Mike Anderson.
The Philadelphia Phillies released Tim McCarver.
The New York Yankees traded Roger Holt to the Texas Rangers for Tucker Ashford and cash.
October 25, 1980
Bud Harrelson of the Texas Rangers granted free agency.
The St. Louis Cardinals released Don Hood.
October 26, 1980
Willie Montanez of the Montreal Expos granted free agency.
October 27, 1980
Stan Bahnsen of the Montreal Expos granted free agency.
Ray Burris of the New York Mets granted free agency.
Luis Tiant of the New York Yankees granted free agency.
October 28, 1980
Vic Harris of the Milwaukee Brewers granted free agency.
Ron LeFlore of the Montreal Expos granted free agency.
The Minnesota Twins signed Houston Jimenez as a free agent.
October 30, 1980
Glenn Borgmann of the Chicago White Sox granted free agency.
October 31, 1980
Jerry Morales of the New York Mets granted free agency.
Claudell Washington of the New York Mets granted free agency.
Jim Essian of the Oakland Athletics granted free agency.
November 3, 1980
John D'Acquisto of the Montreal Expos granted free agency.
The New York Yankees traded Fred Stanley to the Oakland Athletics for Mike Morgan.
November 4, 1980
The Detroit Tigers signed Dave Gumpert as an amateur free agent.
Del Unser of the Philadelphia Phillies granted free agency.
Dave Roberts of the Seattle Mariners granted free agency.
Dave Roberts of the Texas Rangers granted free agency.
The New York Yankees released Marshall Brant.
November 5, 1980
Tug McGraw of the Philadelphia Phillies granted free agency.
Steve Braun of the Toronto Blue Jays granted free agency.
November 11, 1980
The Kansas City Royals signed Dave Chalk as a free agent.
November 13, 1980
Jose Cardenal of the Kansas City Royals granted free agency.
Johnny Oates of the New York Yankees granted free agency.
November 15, 1980
The Atlanta Braves signed Claudell Washington as a free agent.
The St. Louis Cardinals signed Gibson Alba as a free agent.
November 16, 1980
The New York Mets signed Kevin Mitchell as an amateur free agent.
November 18, 1980
The New York Yankees traded Brad Gulden and $150,000 to the Seattle Mariners for a player to be named later and Larry Milbourne. The Seattle Mariners sent Brad Gulden (May 18, 1981) to the New York Yankees to complete the trade.
November 20, 1980
The Chicago White Sox signed Jim Essian as a free agent.
November 22, 1980
Bill Travers of the Milwaukee Brewers granted free agency.
November 23, 1980
Dave Rader of the Boston Red Sox granted free agency.
November 24, 1980
Darrell Porter of the Kansas City Royals granted free agency.
November 25, 1980
The Philadelphia Phillies signed Rick Schu as an amateur free agent.
November 26, 1980
The Chicago White Sox signed Ron LeFlore as a free agent.
November 28, 1980
Marc Hill of the Seattle Mariners granted free agency.
December 2, 1980
The California Angels signed Geoff Zahn as a free agent.
The Chicago White Sox released Kevin Bell.
December 4, 1980
The Houston Astros signed Don Sutton as a free agent.
December 6, 1980
The Philadelphia Phillies signed Tug McGraw as a free agent.
The Seattle Mariners purchased Mario Guerrero from the Oakland Athletics.
December 7, 1980
The St. Louis Cardinals signed Darrell Porter as a free agent.
December 8, 1980
The Toronto Blue Jays drafted Dan Whitmer from the California Angels in the 1980 rule 5 draft.
The Detroit Tigers drafted Larry Rothschild from the Cincinnati Reds in the 1980 rule 5 draft.
The Seattle Mariners drafted Gary Gray from the Cleveland Indians in the 1980 rule 5 draft.
The Milwaukee Brewers drafted