Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 07/31/19 | St. Louis Cardinals traded 3B Jedd Gyorko, cash and Future Considerations to Los Angeles Dodgers for LHP Tony Cingrani and RHP Jeffry Abreu. |
| 07/31/19 | St. Louis Cardinals traded 3B Jedd Gyorko, cash and Future Considerations to Los Angeles Dodgers for LHP Tony Cingrani and RHP Jeffry Abreu. |
| 07/31/19 | St. Louis Cardinals optioned RHP Daniel Ponce de Leon to Memphis Redbirds. |
| 07/31/19 | St. Louis Cardinals activated LHP Adalberto Mejia. |
| 07/31/19 | St. Louis Cardinals traded 3B Jedd Gyorko, cash and Future Considerations to Los Angeles Dodgers for LHP Tony Cingrani and RHP Jeffry Abreu. |
| 07/30/19 | 3B Jedd Gyorko roster status changed by St. Louis Cardinals. |
| 07/30/19 | St. Louis Cardinals sent LF Marcell Ozuna on a rehab assignment to Memphis Redbirds. |
| 07/30/19 | St. Louis Cardinals recalled CF Lane Thomas from Memphis Redbirds. |
| 07/30/19 | St. Louis Cardinals claimed LHP Adalberto Mejia off waivers from Los Angeles Angels. |
| 07/29/19 | St. Louis Cardinals optioned CF Harrison Bader to Memphis Redbirds. |
| 07/29/19 | Los Angeles Dodgers traded LHP Zac Rosscup to St. Louis Cardinals for cash. |
| 07/27/19 | St. Louis Cardinals sent LHP Chasen Shreve outright to Memphis Redbirds. |
| 07/26/19 | St. Louis Cardinals sent 3B Matt Carpenter on a rehab assignment to Springfield Cardinals. |
| 07/23/19 | St. Louis Cardinals activated RHP Mike Mayers from the 60-day injured list. |
| 07/23/19 | St. Louis Cardinals designated LHP Chasen Shreve for assignment. |
| 07/23/19 | St. Louis Cardinals sent 3B Matt Carpenter on a rehab assignment to Memphis Redbirds. |
| 07/21/19 | St. Louis Cardinals optioned RHP Dominic Leone to Memphis Redbirds. |
| 07/21/19 | St. Louis Cardinals recalled LHP Tyler Webb from Memphis Redbirds. |
| 07/21/19 | St. Louis Cardinals recalled Rangel Ravelo from Memphis Redbirds. |
| 07/21/19 | St. Louis Cardinals recalled P Tyler Webb. |
| 07/21/19 | St. Louis Cardinals optioned RHP Ryan Helsley to Memphis Redbirds. |
| 07/21/19 | St. Louis Cardinals recalled LHP Tyler Webb. |
| 07/20/19 | St. Louis Cardinals recalled Ryan Helsley from Memphis Redbirds. |
| 07/20/19 | St. Louis Cardinals optioned SS Edmundo Sosa to Memphis Redbirds. |
| 07/16/19 | St. Louis Cardinals recalled Edmundo Sosa from Memphis Redbirds. |
| 07/16/19 | St. Louis Cardinals signed free agent CF Tyler Reichenborn to a minor league contract. |
| 07/16/19 | St. Louis Cardinals placed 3B Matt Carpenter on the 10-day injured list. Right foot contusion. |
| 07/13/19 | St. Louis Cardinals signed free agent RHP Uriel Curvelo to a minor league contract. |
| 07/11/19 | St. Louis Cardinals transferred RHP Jordan Hicks from the 10-day injured list to the 60-day injured list. Torn UCL in right elbow. |
| 07/11/19 | St. Louis Cardinals selected the contract of LHP Chasen Shreve from Memphis Redbirds. |
| 07/11/19 | St. Louis Cardinals placed C Yadier Molina on the 10-day injured list retroactive to July 8, 2019. Right thumb tendon sprain. |
| 07/11/19 | St. Louis Cardinals optioned 1B Rangel Ravelo to Memphis Redbirds. |
| 07/11/19 | St. Louis Cardinals activated 3B Matt Carpenter from the 10-day injured list. |
| 07/11/19 | St. Louis Cardinals recalled Andrew Knizner from Memphis Redbirds. |
| 07/09/19 | St. Louis Cardinals signed CF Tommy Jew. |
| 07/08/19 | St. Louis Cardinals optioned LHP Tyler Webb to Memphis Redbirds. |
| 07/05/19 | St. Louis Cardinals optioned CF Lane Thomas to Memphis Redbirds. |
| 07/05/19 | St. Louis Cardinals recalled Rangel Ravelo from Memphis Redbirds. |
| 07/03/19 | St. Louis Cardinals optioned RHP Ryan Helsley to Memphis Redbirds. |
| 07/03/19 | St. Louis Cardinals reassigned RHP Ryan Helsley to the minor leagues. |
| 07/03/19 | St. Louis Cardinals signed free agent RHP Hansel Marcelino to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent OF Jeremy Ramos to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent OF Felix Taveras to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent OF Francis Reynoso to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent 3B Raul Guzman to a minor league contract. |
| 07/02/19 | St. Louis Cardinals activated RHP John Brebbia from the paternity list. |
| 07/02/19 | St. Louis Cardinals placed 3B Matt Carpenter on the 10-day injured list retroactive to June 29, 2019. Lower back strain. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Americo Lugo to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Antoni Cuello to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Jose Davila to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent SS Bryan Encarnacion to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent SS Lizandro Espinoza to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Ettore Giulianelli to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent C Maikel Hernandez to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Miguel Martinez to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent SS Jeremy Rivas to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Frankely Guzman to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent LHP Alexander Beltre to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Alejandro Cervantes to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent SS Javier Bolivar to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent C Jake Burns to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RF Santiago Carbonara to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent C Justin Guerrero to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent SS Maycol Justo to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Juan Salas to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Darlin Saladin to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent CF Jose Cordoba to a minor league contract. |
| 07/02/19 | St. Louis Cardinals signed free agent RHP Brayan Ramirez to a minor league contract. |