Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 07/10/26 | St. Louis Cardinals sent LHP Jared Shuster outright to Memphis Redbirds. |
| 07/09/26 | RHP Durbin Feltman assigned to St. Louis Cardinals. |
| 07/08/26 | St. Louis Cardinals designated LHP Jared Shuster for assignment. |
| 07/08/26 | St. Louis Cardinals optioned RHP Hunter Dobbins to Memphis Redbirds. |
| 07/08/26 | St. Louis Cardinals selected the contract of RHP Luis Gastelum from Memphis Redbirds. |
| 07/07/26 | St. Louis Cardinals transferred RHP Max Rajcic from the 15-day injured list to the 60-day injured list. Right elbow soreness. |
| 07/07/26 | St. Louis Cardinals designated LHP Bruce Zimmermann for assignment. |
| 07/07/26 | St. Louis Cardinals optioned RHP Ryan Fernandez to Memphis Redbirds. |
| 07/07/26 | St. Louis Cardinals recalled RHP Hunter Dobbins from Memphis Redbirds. |
| 07/07/26 | St. Louis Cardinals selected the contract of LHP Jared Shuster from Memphis Redbirds. |
| 07/07/26 | St. Louis Cardinals selected the contract of LHP Bruce Zimmermann from Memphis Redbirds. |
| 07/06/26 | St. Louis Cardinals placed RHP Max Rajcic on the 15-day injured list retroactive to July 4, 2026. Right elbow soreness. |
| 07/06/26 | St. Louis Cardinals recalled RHP Gordon Graceffo from Memphis Redbirds. |
| 07/03/26 | St. Louis Cardinals activated RHP Ryne Stanek from the paternity list. |
| 07/03/26 | St. Louis Cardinals optioned RHP Gordon Graceffo to Memphis Redbirds. |