Lou Gorman

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San Francisco Giants acquire Date Seattle Mariners acquire
cash
June 20, 1980
Marc Hill
San Francisco Giants acquire Date Seattle Mariners acquire
cash
June 16, 1980
Casey Parsons
Seattle Mariners acquire Date Pittsburgh Pirates acquire
Dave A. Roberts
April 24, 1980
cash
Chicago Cubs acquire Date Seattle Mariners acquire
Lenny Randle
April 2, 1980
cash
Seattle Mariners acquire Date Pittsburgh Pirates acquire
cash
Player to be named later (Larry Andersen)
April 1, 1980
Odell Jones
Cleveland Indians acquire Date Seattle Mariners acquire
Rafael Vasquez
Rob Pietroburgo
Player to be named later (Bud Andersen)
December 6, 1979
Ted Cox
St-Louis Cardinals acquire Date Seattle Mariners acquire
cash
November 9, 1979
Dan O'Brien
Seattle Mariners acquire Date New York Yankees acquire
Jerry Narron
Jim Beattie
Juan Beniquez
Rick Anderson
November 1, 1979
Ruppert Jones
Jim Lewis
Los Angeles Angels acquire Date Seattle Mariners acquire
John Montague
August 29, 1979
Player to be named later (Jim L. Anderson)
Seattle Mariners acquire Date New York Mets acquire
Wayne Twitchell
August 19, 1979
cash
Seattle Mariners acquire Date Chicago White Sox acquire
Rich Hinton
July 6, 1979
Juan Bernhardt
St-Louis Cardinals acquire Date Seattle Mariners acquire
cash
June 7, 1979
Rob Dressler
Milwaukee Brewers acquire Date Seattle Mariners acquire
Paul Mitchell
June 7, 1979
Randy Stein
Los Angeles Dodgers acquire Date Seattle Mariners acquire
cash
March 28, 1979
Joe Simpson
Chicago Cubs acquire Date Seattle Mariners acquire
Luis Delgado
March 20, 1979
Larry Cox
Atlanta Braves acquire Date Seattle Mariners acquire
cash
February 23, 1979
Mike Davey
Houston Astros acquire Date Seattle Mariners acquire
Craig Reynolds
December 8, 1978
Floyd Bannister
Seattle Mariners acquire Date Pittsburgh Pirates acquire
Mario Mendoza
Odell Jones
Rafael Vazquez
December 5, 1978
Enrique Romo
Rick Jones
Tom McMillan