Just two.
- July 31, 2018. The St. Louis Cardinals traded Tommy Pham and international bonus slot money to the Tampa Bay Rays for Roel Ramirez (minors), Genesis Cabrera and Justin Williams.
- November 21, 2003: The St. Louis Cardinals traded Tino Martinez to the Tampa Bay Devil Rays for a player to be named later and Evan Rust (minors). The Tampa Bay Devil Rays sent John-Paul Davis (minors) (December 16, 2003) to the St. Louis Cardinals to complete the trade.