Offseason
- December 5, 1997: Willie McGee was signed as a Free Agent with the St. Louis Cardinals.
- January 8, 1998: Kent Bottenfield was signed as a Free Agent with the St. Louis Cardinals.
- March 30, 1998: Chip Hale was traded by the Anaheim Angels to the St. Louis Cardinals for Craig Shipley.
Read more about this topic: 1998 St. Louis Cardinals Season