Peoria Chiefs Roster & Staff
STL Transactions
| Date | Transaction |
| 09/09/26 | LHP Brandon Clarke assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/09/26 | Springfield Cardinals activated RHP Nate Dohm from the Development List. |
| 09/09/26 | Springfield Cardinals transferred RHP Daniel Eagen to the Development List. |
| 09/09/26 | Springfield Cardinals activated OF Tai Peete from the 7-day injured list. |
| 09/09/26 | LHP Brandon Clarke assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/08/26 | Memphis Redbirds activated 3B César Prieto. |
| 09/08/26 | St. Louis Cardinals sent RHP Peter Strzelecki on a rehab assignment to Memphis Redbirds. |
| 09/08/26 | St. Louis Cardinals optioned 3B César Prieto to Memphis Redbirds. |
| 09/07/26 | RHP Nate Dohm assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/07/26 | RHP Nate Dohm assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/06/26 | St. Louis Cardinals optioned RHP Hancel Rincon to Memphis Redbirds. |
| 09/06/26 | St. Louis Cardinals recalled LHP Cooper Hjerpe from Memphis Redbirds. |
| 09/06/26 | Peoria Chiefs activated LHP Cade Crossland from the Development List. |
| 09/04/26 | OF Kenly Hunter assigned to Palm Beach Cardinals from FCL Cardinals. |
| 09/04/26 | Memphis Redbirds activated RHP Ryan Fernandez. |
| 09/04/26 | RHP Bobby Olsen assigned to Memphis Redbirds from Peoria Chiefs. |
| 09/04/26 | St. Louis Cardinals optioned RHP Ryan Fernandez to Memphis Redbirds. |
| 09/04/26 | Palm Beach Cardinals placed OF Trevor Condon on the 7-day injured list. |
| 09/04/26 | OF Kenly Hunter assigned to Palm Beach Cardinals from FCL Cardinals. |
| 09/04/26 | Peoria Chiefs activated DH Yairo Padilla from the 7-day injured list. |
| 09/04/26 | OF Ian Petrutz assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/04/26 | RHP Bobby Olsen assigned to Memphis Redbirds from Peoria Chiefs. |
| 09/04/26 | Springfield Cardinals placed OF Travis Honeyman on the 7-day injured list. |
| 09/04/26 | OF Ian Petrutz assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/03/26 | Springfield Cardinals activated LHP Liam Doyle from the Development List. |
| 09/02/26 | C Cade McGee assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/02/26 | Springfield Cardinals transferred RHP Tanner Franklin to the Development List. |
| 09/02/26 | C Cade McGee assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/01/26 | CF Luis Pino assigned to Springfield Cardinals from FCL Cardinals. |
| 09/01/26 | St. Louis Cardinals recalled CF Victor Scott II from Memphis Redbirds. |
| 09/01/26 | LHP Sandro Santana assigned to Memphis Redbirds from Springfield Cardinals. |
| 09/01/26 | RHP Andrew Schultz assigned to Memphis Redbirds from Springfield Cardinals. |
| 09/01/26 | St. Louis Cardinals selected the contract of RHP Hancel Rincon from Memphis Redbirds. |
| 09/01/26 | St. Louis Cardinals recalled C Leo Bernal from Memphis Redbirds. |
| 09/01/26 | 1B Trey Paige assigned to Memphis Redbirds from Springfield Cardinals. |
| 09/01/26 | RHP Christian Worley assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/01/26 | Springfield Cardinals activated OF Travis Honeyman from the 7-day injured list. |
| 09/01/26 | RHP Christian Worley assigned to Springfield Cardinals from Peoria Chiefs. |
| 09/01/26 | 1B Trey Paige assigned to Memphis Redbirds from Springfield Cardinals. |
| 09/01/26 | LHP Sandro Santana assigned to Memphis Redbirds from Springfield Cardinals. |
| 09/01/26 | RHP Andrew Schultz assigned to Memphis Redbirds from Springfield Cardinals. |
| 09/01/26 | CF Luis Pino assigned to Springfield Cardinals from FCL Cardinals. |