Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 07/31/25 | St. Louis Cardinals signed free agent RHP Gerson Moreno to a minor league contract. |
| 07/31/25 | RHP Gerson Moreno assigned to St. Louis Cardinals. |
| 07/31/25 | St. Louis Cardinals traded LHP Steven Matz to Boston Red Sox for 1B Blaze Jordan. |
| 07/31/25 | St. Louis Cardinals traded RHP Phil Maton to Texas Rangers for LHP Mason Molina, RHP Skylar Hales and Future Considerations. International Bonus Pool Money. |
| 07/31/25 | St. Louis Cardinals traded RHP Phil Maton to Texas Rangers for LHP Mason Molina, RHP Skylar Hales and Future Considerations. International Bonus Pool Money. |
| 07/31/25 | St. Louis Cardinals traded RHP Phil Maton to Texas Rangers for LHP Mason Molina, RHP Skylar Hales and Future Considerations. International Bonus Pool Money. |
| 07/31/25 | St. Louis Cardinals traded LHP Steven Matz to Boston Red Sox for 1B Blaze Jordan. |
| 07/30/25 | St. Louis Cardinals sent LF Lars Nootbaar on a rehab assignment to Springfield Cardinals. |
| 07/30/25 | St. Louis Cardinals placed LHP John King on the 15-day injured list. Left oblique strain. |
| 07/30/25 | St. Louis Cardinals recalled RHP Gordon Graceffo from Memphis Redbirds. |
| 07/30/25 | St. Louis Cardinals traded RHP Ryan Helsley to New York Mets for SS Jesus Baez, RHP Frank Elissalt and RHP Nate Dohm. |
| 07/30/25 | St. Louis Cardinals traded RHP Ryan Helsley to New York Mets for SS Jesus Baez, RHP Frank Elissalt and RHP Nate Dohm. |
| 07/30/25 | St. Louis Cardinals traded RHP Ryan Helsley to New York Mets for SS Jesus Baez, RHP Frank Elissalt and RHP Nate Dohm. |
| 07/30/25 | St. Louis Cardinals traded RHP Ryan Helsley to New York Mets for SS Jesus Baez, RHP Frank Elissalt and RHP Nate Dohm. |
| 07/29/25 | St. Louis Cardinals sent 2B Nolan Gorman on a rehab assignment to Springfield Cardinals. |
| 07/28/25 | St. Louis Cardinals optioned RHP Andre Granillo to Memphis Redbirds. |
| 07/28/25 | St. Louis Cardinals recalled RHP Matt Svanson from Memphis Redbirds. |
| 07/27/25 | St. Louis Cardinals traded RHP Erick Fedde and cash to Atlanta Braves for Future Considerations. |
| 07/23/25 | St. Louis Cardinals designated RHP Erick Fedde for assignment. |
| 07/23/25 | St. Louis Cardinals signed free agent CF Lucas Takahashi to a minor league contract. |
| 07/23/25 | St. Louis Cardinals recalled RHP Andre Granillo from Memphis Redbirds. |
| 07/22/25 | St. Louis Cardinals signed SS Jalin Flores. |
| 07/21/25 | St. Louis Cardinals optioned RHP Gordon Graceffo to Memphis Redbirds. |
| 07/21/25 | St. Louis Cardinals recalled RHP Michael McGreevy from Memphis Redbirds. |
| 07/19/25 | St. Louis Cardinals signed RHP Tanner Franklin. |
| 07/19/25 | St. Louis Cardinals signed RHP Bobby Olsen. |
| 07/19/25 | St. Louis Cardinals signed RHP Payton Graham. |
| 07/19/25 | St. Louis Cardinals signed OF Ryan Mitchell. |
| 07/19/25 | St. Louis Cardinals signed OF Cameron Nickens. |
| 07/19/25 | St. Louis Cardinals placed 2B Nolan Gorman on the 10-day injured list retroactive to July 13, 2025. Lower back pain. |
| 07/19/25 | St. Louis Cardinals signed LHP Cade Crossland. |
| 07/19/25 | St. Louis Cardinals signed RHP Dylan Driessen. |
| 07/19/25 | St. Louis Cardinals signed RHP Ethan Young. |
| 07/19/25 | St. Louis Cardinals signed SS Ryan Weingartner. |
| 07/19/25 | St. Louis Cardinals signed SS Trevor Haskins. |
| 07/19/25 | St. Louis Cardinals signed RHP Anthony Watts. |
| 07/19/25 | St. Louis Cardinals signed OF Matthew Miura. |
| 07/19/25 | St. Louis Cardinals signed RHP Jake Shelagowski. |
| 07/19/25 | St. Louis Cardinals signed C Chase Heath. |
| 07/19/25 | St. Louis Cardinals signed C Alex Birge. |
| 07/19/25 | St. Louis Cardinals signed RHP Liam Best. |
| 07/19/25 | St. Louis Cardinals signed 3B Michael Dattalo. |
| 07/19/25 | St. Louis Cardinals signed RHP Kaden Echeman. |
| 07/19/25 | St. Louis Cardinals signed 1B Jack Gurevitch. |
| 07/19/25 | St. Louis Cardinals signed RHP Alex Breckheimer. |
| 07/19/25 | St. Louis Cardinals recalled 2B Thomas Saggese from Memphis Redbirds. |
| 07/18/25 | St. Louis Cardinals activated RF Jordan Walker from the 10-day injured list. |
| 07/18/25 | St. Louis Cardinals signed free agent RHP Aaron Wilkerson to a minor league contract. |
| 07/17/25 | St. Louis Cardinals optioned 2B Thomas Saggese to Memphis Redbirds. |
| 07/16/25 | St. Louis Cardinals signed LHP Liam Doyle. |
| 07/14/25 | St. Louis Cardinals signed RHP Ty Van Dyke. |
| 07/13/25 | St. Louis Cardinals placed LF Lars Nootbaar on the 10-day injured list. Left costochondral sprain. |
| 07/13/25 | St. Louis Cardinals activated C Iván Herrera from the 10-day injured list. |
| 07/12/25 | St. Louis Cardinals recalled RHP Gordon Graceffo from Memphis Redbirds. |
| 07/12/25 | St. Louis Cardinals optioned RHP Matt Svanson to Memphis Redbirds. |
| 07/10/25 | St. Louis Cardinals sent C Iván Herrera on a rehab assignment to Memphis Redbirds. |
| 07/10/25 | St. Louis Cardinals sent C Iván Herrera on a rehab assignment to Memphis Redbirds. |
| 07/02/25 | St. Louis Cardinals sent RF Jordan Walker on a rehab assignment to Springfield Cardinals. |
| 07/02/25 | St. Louis Cardinals sent RF Jordan Walker on a rehab assignment to Springfield Cardinals. |
| 07/02/25 | St. Louis Cardinals sent RF Jordan Walker on a rehab assignment to Springfield Cardinals. |