Offseason
- October 21, 1981: Bob Sykes was traded by the Cardinals to the New York Yankees for Willie McGee.
- October 23, 1981: Jeff Little was traded by the Cardinals to the Minnesota Twins for Mike Kinnunen.
- November 20, 1981: Silvio Martínez and Lary Sorensen were traded by the Cardinals to the Cleveland Indians as part of a three-team trade. The Philadelphia Phillies traded Lonnie Smith to the Cardinals. The Indians traded Bo Díaz to the Phillies. The Phillies sent a player to be named later to the Indians. The Phillies completed the deal by sending Scott Munninghoff to the Indians on December 9.
- December 10, 1981: Sixto Lezcano, Garry Templeton and a player to be named later were traded by the Cardinals to the San Diego Padres for Ozzie Smith, Steve Mura and a player to be named later. The deal was completed on February 19, 1982, with the Padres sending Al Olmsted to the Cardinals and the Cardinals sending Luis DeLeón to the Padres.
- December 29, 1981: Joaquín Andújar was signed as a free agent by the Cardinals.
Read more about this topic: 1982 St. Louis Cardinals Season