- 1915 – The St. Louis Cardinals try to prevent outfielder Lee Magee from playing for the Brooklyn Tip-Tops of the Federal League. Like most such suits, it will fail. Magee will play and manage in the rival major league.
- The Cardinals borrow $10,000 to purchase the contract of Jesse Haines. He will become a Hall of Famer and will pitch for 18 seasons for the Cardinals beginning in 1920.
- The Cardinals, in 1941, purchased Bill Brubaker from the Pittsburgh Pirates.
- The Cardinals purchased Hy Vandenberg from the New York Giants in 1941.
- The Tigers traded Dick Egan to the Cardinals in 1965 for Glen Hobbie and Bob Lipski.
- In 1991, the Cardinals signed Alex Trevino as a free agent.
- The Cardinals signed Rich Loiselle and Jason Simontacchi as free agents in 2002.
- The Cardinals, in 2003, signed Nerio Rodriguez as a free agent.
- Steve Melter (1886)
- Joe Lotz (1891)
- Royce Clayton (1970)
- Garrett Stephenson (1972)
- Jeff Suppan (1975)
- Eric Fornataro (1988)
- Bert Jones 1959
- Glenn Crawford 1972
- Gordon Slade 1974
- Bill Beckmann 1990
- Gerry Staley 2008
- Jerry Buchek 2019
Hall of Famer Ed Martinez was born on this date in 1963. He will play his entire career in Seattle.