Offseason
- October 26, 1973: Eddie Fisher was released by the St. Louis Cardinals.
- December 5, 1973: Tommie Agee was traded by the Cardinals to the Los Angeles Dodgers for Pete Richert.
- December 7, 1973: Diego Seguí, Reggie Cleveland and Terry Hughes were traded by the Cardinals to the Boston Red Sox for Lynn McGlothen, John Curtis, and Mike Garman.
Read more about this topic: 1974 St. Louis Cardinals Season