Offseason
- November 9, 1984: Dave Von Ohlen was released by the Cardinals.
- December 12, 1984: George Hendrick and Steve Barnard (minors) were traded by the Cardinals to the Pittsburgh Pirates for Brian Harper and John Tudor.
- January 3, 1985: Alex Cole was drafted by the Cardinals in the 2nd round of the 1985 amateur draft. Player signed May 6, 1985.
- January 23, 1985: Mike LaValliere was signed as a free agent by the Cardinals.
- February 1, 1985: Dave LaPoint, David Green, José Uribe and Gary Rajsich were traded by the Cardinals to the San Francisco Giants for Jack Clark
Read more about this topic: 1985 St. Louis Cardinals Season