Springfield Cardinals Roster & Staff
Springfield Transactions
| Date | Transaction |
| 05/26/26 | St. Louis Cardinals sent LF Lars Nootbaar on a rehab assignment to Springfield Cardinals. |
| 05/25/26 | SS Miguel Villarroel assigned to Springfield Cardinals from Memphis Redbirds. |
| 05/25/26 | SS Jeremy Rivas assigned to Memphis Redbirds from Springfield Cardinals. |
| 05/18/26 | Springfield Cardinals transferred C Chase Adkison to the Development List. |
| 05/18/26 | RHP D.J. Carpenter assigned to Springfield Cardinals from Peoria Chiefs. |
| 05/12/26 | C Rainiel Rodriguez assigned to Springfield Cardinals from Peoria Chiefs. |
| 05/11/26 | Springfield Cardinals released C Carlos Linarez. |
| 05/08/26 | Springfield Cardinals activated C Chase Adkison from the Development List. |