Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 06/05/26 | St. Louis Cardinals placed RHP Ryan Fernandez on the 15-day injured list retroactive to June 3, 2026. Low back pain. |
| 06/05/26 | St. Louis Cardinals activated LF Lars Nootbaar from the 60-day injured list. |
| 06/05/26 | St. Louis Cardinals optioned LF Thomas Saggese to Memphis Redbirds. |
| 06/05/26 | St. Louis Cardinals recalled RHP Matt Svanson from Memphis Redbirds. |
| 06/04/26 | St. Louis Cardinals sent 3B Ramón Urías on a rehab assignment to Memphis Redbirds. |
| 06/04/26 | St. Louis Cardinals sent LF Nathan Church on a rehab assignment to Memphis Redbirds. |
| 06/03/26 | RHP Matt Pushard returned to Miami Marlins from St. Louis Cardinals. |
| 06/02/26 | St. Louis Cardinals sent LF Lars Nootbaar on a rehab assignment to Memphis Redbirds. |