Peoria Chiefs Roster & Staff
STL Transactions
| Date | Transaction |
| 08/05/25 | RHP Bobby Olsen assigned to Palm Beach Cardinals from FCL Cardinals. |
| 08/05/25 | RHP Zeke Wood assigned to Peoria Chiefs from Palm Beach Cardinals. |
| 08/05/25 | Peoria Chiefs activated SS Jon Jon Gazdar from the 7-day injured list. |
| 08/05/25 | Peoria Chiefs activated RHP Chen-Wei Lin from the 7-day injured list. |
| 08/05/25 | RHP Hunter Hayes assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | RHP Christian Worley assigned to Peoria Chiefs from Palm Beach Cardinals. |
| 08/05/25 | RHP Brandt Thompson assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | RHP Zeke Wood assigned to Peoria Chiefs from Palm Beach Cardinals. |
| 08/05/25 | C Graysen Tarlow assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | RHP Randel Clemente assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | RHP Brandt Thompson assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | C Graysen Tarlow assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | RHP Hunter Hayes assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/05/25 | RHP Randel Clemente assigned to Springfield Cardinals from Peoria Chiefs. |
| 08/04/25 | DSL Cardinals activated 1B Christian Saez from the 60-day injured list. |
| 08/04/25 | DSL Cardinals activated RHP Michael Correa from the 60-day injured list. |
| 08/04/25 | FCL Cardinals activated SS Ryan Weingartner. |
| 08/04/25 | FCL Cardinals activated SS Trevor Haskins. |
| 08/04/25 | FCL Cardinals activated RHP Liam Best. |
| 08/04/25 | FCL Cardinals activated RHP Tanner Franklin. |
| 08/04/25 | FCL Cardinals activated LHP Cade Crossland. |
| 08/04/25 | FCL Cardinals activated OF Ryan Mitchell. |
| 08/04/25 | FCL Cardinals activated RHP Jake Shelagowski. |
| 08/04/25 | FCL Cardinals activated RHP Ethan Young. |
| 08/04/25 | FCL Cardinals activated C Alex Birge. |
| 08/04/25 | FCL Cardinals activated OF Cameron Nickens. |
| 08/04/25 | FCL Cardinals activated RHP Anthony Watts. |
| 08/04/25 | FCL Cardinals activated 3B Michael Dattalo. |
| 08/04/25 | FCL Cardinals activated RHP Kaden Echeman. |
| 08/04/25 | FCL Cardinals activated RHP Dylan Driessen. |
| 08/04/25 | FCL Cardinals activated OF Matthew Miura. |
| 08/04/25 | FCL Cardinals activated SS Jalin Flores. |
| 08/04/25 | C Chase Heath assigned to FCL Cardinals. |
| 08/04/25 | FCL Cardinals activated 1B Jack Gurevitch. |
| 08/04/25 | FCL Cardinals activated RHP Alex Breckheimer. |
| 08/04/25 | FCL Cardinals activated RHP Bobby Olsen. |
| 08/04/25 | FCL Cardinals activated RHP Payton Graham from the full-season injured list. |
| 08/04/25 | FCL Cardinals activated RHP Ty Van Dyke. |
| 08/04/25 | FCL Cardinals activated LHP Liam Doyle. |
| 08/04/25 | Memphis Redbirds activated LHP Anthony Veneziano. |
| 08/04/25 | St. Louis Cardinals optioned LHP Anthony Veneziano to Memphis Redbirds. |
| 08/04/25 | Peoria Chiefs released RHP Dionys Rodriguez. |
| 08/04/25 | Springfield Cardinals transferred SS R.J. Yeager to the Development List. |
| 08/03/25 | RHP Ruben Menes assigned to Palm Beach Cardinals from FCL Cardinals. |
| 08/03/25 | RHP Antoni Cuello assigned to Palm Beach Cardinals from FCL Cardinals. |
| 08/03/25 | Palm Beach Cardinals released C Maikel Hernandez. |
| 08/03/25 | Palm Beach Cardinals released RHP Ernie Day. |
| 08/03/25 | Palm Beach Cardinals released RHP Angel Cuenca. |
| 08/03/25 | Palm Beach Cardinals released OF Bryce Madron. |
| 08/03/25 | RHP Antoni Cuello assigned to Palm Beach Cardinals from FCL Cardinals. |