Offseason
- December 12, 1980: Dave Stegman was traded by the Tigers to the San Diego Padres for Dennis Kinney.
- January 13, 1981: Mike Sharperson was drafted by the Tigers in the 4th round of the 1981 Major League Baseball Draft, but did not sign.
- March 29, 1981: Jim Lentine was released by the Tigers.
Read more about this topic: 1981 Detroit Tigers Season