Seattle Mariners 1980

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