Peoria Chiefs Roster & Staff
STL Transactions
| Date | Transaction |
| 07/11/26 | Springfield Cardinals sent LHP Brandon Clarke on a rehab assignment to FCL Cardinals. |
| 07/11/26 | Springfield Cardinals placed C Rainiel Rodriguez on the temporarily inactive list. |
| 07/11/26 | Springfield Cardinals activated 3B Trey Paige from the Development List. |
| 07/11/26 | Springfield Cardinals placed LHP Liam Doyle on the temporarily inactive list. |
| 07/11/26 | Springfield Cardinals sent LHP Brandon Clarke on a rehab assignment to FCL Cardinals. |
| 07/10/26 | FCL Cardinals activated RHP Jefferson Moran from the 60-day injured list. |
| 07/10/26 | Memphis Redbirds sent LHP Ixan Henderson on a rehab assignment to FCL Cardinals. |
| 07/10/26 | Memphis Redbirds sent LHP Ixan Henderson on a rehab assignment to FCL Cardinals. |
| 07/10/26 | RHP Durbin Feltman assigned to Memphis Redbirds. |
| 07/10/26 | Memphis Redbirds activated C Andy Yerzy from the Development List. |
| 07/10/26 | St. Louis Cardinals sent LHP Jared Shuster outright to Memphis Redbirds. |
| 07/09/26 | Peoria Chiefs placed OF Tai Peete on the 7-day injured list. |
| 07/08/26 | SS Yeferson Portolatin assigned to FCL Cardinals from DSL Cardinals. |
| 07/08/26 | LHP Hendrick Caña assigned to FCL Cardinals from DSL Cardinals. |
| 07/08/26 | SS Yeferson Portolatin assigned to FCL Cardinals from DSL Cardinals. |
| 07/08/26 | LHP Hendrick Caña assigned to FCL Cardinals from DSL Cardinals. |
| 07/08/26 | St. Louis Cardinals selected the contract of RHP Luis Gastelum from Memphis Redbirds. |
| 07/08/26 | St. Louis Cardinals optioned RHP Hunter Dobbins to Memphis Redbirds. |
| 07/08/26 | C Heriberto Caraballo assigned to Peoria Chiefs from Palm Beach Cardinals. |
| 07/08/26 | C Heriberto Caraballo assigned to Peoria Chiefs from Palm Beach Cardinals. |
| 07/07/26 | Memphis Redbirds sent RHP Sem Robberse on a rehab assignment to Palm Beach Cardinals. |
| 07/07/26 | St. Louis Cardinals optioned RHP Ryan Fernandez to Memphis Redbirds. |
| 07/07/26 | RHP Brandt Thompson assigned to Memphis Redbirds from Springfield Cardinals. |
| 07/07/26 | St. Louis Cardinals selected the contract of LHP Jared Shuster from 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 Bruce Zimmermann from Memphis Redbirds. |
| 07/07/26 | Springfield Cardinals sent OF Chase Davis on a rehab assignment to Palm Beach Cardinals. |
| 07/07/26 | Memphis Redbirds sent RHP Sem Robberse on a rehab assignment to Palm Beach Cardinals. |
| 07/07/26 | Springfield Cardinals sent OF Chase Davis on a rehab assignment to Palm Beach Cardinals. |
| 07/07/26 | Peoria Chiefs released CF Jose Cordoba. |
| 07/07/26 | Peoria Chiefs activated OF Tai Peete from the 7-day injured list. |
| 07/07/26 | RHP Blake Aita assigned to Springfield Cardinals from Peoria Chiefs. |
| 07/07/26 | Springfield Cardinals sent OF Chase Davis on a rehab assignment to Palm Beach Cardinals. |
| 07/07/26 | Springfield Cardinals sent OF Chase Davis on a rehab assignment to Palm Beach Cardinals. |
| 07/07/26 | RHP Blake Aita assigned to Springfield Cardinals from Peoria Chiefs. |
| 07/07/26 | RHP Brandt Thompson assigned to Memphis Redbirds from Springfield Cardinals. |
| 07/06/26 | Memphis Redbirds placed LHP Alex Cornwell on the full-season injured list. |
| 07/06/26 | St. Louis Cardinals recalled RHP Gordon Graceffo from Memphis Redbirds. |
| 07/06/26 | Palm Beach Cardinals placed RHP Xavier Cruz on the full-season injured list. |
| 07/03/26 | St. Louis Cardinals optioned RHP Gordon Graceffo to Memphis Redbirds. |
| 07/02/26 | Springfield Cardinals activated LHP Cooper Hjerpe from the 60-day injured list. |
| 07/01/26 | Memphis Redbirds activated RHP Victor Santos from the 60-day injured list. |
| 07/01/26 | Memphis Redbirds activated RHP Victor Santos from the 60-day injured list. |