The Philadelphia Phillies purchased Heinie Mueller from the Cardinals in 1937.
The Cardinals, in 1937, purchased Al Smith from the New York Giants
The Pittsburgh Pirates purchased Stu Martin in 1940 from the Cardinals.
In 1952, the Cardinals purchased Harry Elliott and Grant Dunlap from Shreveport (Texas)
Cardinals traded Sal Yvars to the Detroit Tigers for Frank Carswell in 1954.
The Cardinals, in 1958, traded Ruben Amaro to the Philadelphia Phillies for Chuck Essegian
1968- The Cardinals traded Philip Knuckles (minors), Danny Breeden, Ron Davis and Ed Spiezio to the San Diego Padres for Dave Giusti AND the Cardinals traded Dick Schofield to the Boston Red Sox for Gary Waslewski
- The Cardinals traded Denny O’Toole to the Cleveland Indians for Jim Rittwage.
- The Cardinals drafted Doug Capilla from the San Francisco Giants in the 1973 rule 5 draft.
- The Cardinals traded John Wockenfuss to the Detroit Tigers for Lawrence Elliott
The Philadelphia Phillies sent Mike LaValliere to the Cardinals in 1984 as part of a conditional deal.
In 2007, Billy Southworth, who managed the Cardinals (1929, 1940-45) and the Braves (1946-51) is elected to the Hall of Fame by the Veterans Committee. ‘Billy the Kid’ compiled a managerial record of 1,044-704 (.597), including four World Series appearances and two World Championships during his 13 years in the dugout.
The Cardinals signed Trever Miller as a free agent in 2008.
The Cardinals signed Alex Reyes in 2012 as an amateur free agent.
- Jerry Johnson (1943)
- Steve Huntz (1945)
- Wayne Garrett (1947)
- Mike Grady 1943
- George Scott 1962
- Herb Moford 2005