Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 06/19/26 | St. Louis Cardinals sent RHP Ryan Fernandez on a rehab assignment to Memphis Redbirds. |
| 06/18/26 | St. Louis Cardinals designated RHP Chris Roycroft for assignment. |
| 06/18/26 | St. Louis Cardinals selected the contract of RHP Max Rajcic from Memphis Redbirds. |
| 06/18/26 | St. Louis Cardinals optioned RHP Chris Roycroft to Memphis Redbirds. |
| 06/16/26 | St. Louis Cardinals signed free agent RHP Jhon Cabrera to a minor league contract. |
| 06/13/26 | St. Louis Cardinals acquired LHP Nathan Shinn from the Lake Erie Crushers of the Frontier League. |
| 06/12/26 | St. Louis Cardinals placed 3B Ramón Urías on the 60-day injured list. Right elbow lateral epicondylitis. |
| 06/12/26 | St. Louis Cardinals activated 3B Blaze Jordan. |
| 06/12/26 | St. Louis Cardinals selected the contract of 1B Blaze Jordan from Memphis Redbirds. |
| 06/12/26 | St. Louis Cardinals optioned 3B Nolan Gorman to Memphis Redbirds. |
| 06/12/26 | St. Louis Cardinals optioned RHP Hunter Dobbins to Memphis Redbirds. |
| 06/12/26 | St. Louis Cardinals recalled RHP Chris Roycroft from Memphis Redbirds. |
| 06/09/26 | St. Louis Cardinals activated LF Nathan Church from the 10-day injured list. |
| 06/08/26 | St. Louis Cardinals acquired RHP Andrew Schultz from the Lancaster Stormers of the Atlantic League. |
| 06/08/26 | St. Louis Cardinals optioned CF Victor Scott II to Memphis Redbirds. |
| 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 recalled RHP Matt Svanson from Memphis Redbirds. |
| 06/05/26 | St. Louis Cardinals optioned LF Thomas Saggese to 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 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. |