Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 08/31/20 | St. Louis Cardinals optioned 1B John Nogowski to Cardinals Alternate Training Site. |
| 08/31/20 | Lane Thomas roster status changed by St. Louis Cardinals. |
| 08/31/20 | St. Louis Cardinals transferred LHP Ricardo Sanchez from the 10-day injured list to the 60-day injured list. Left elbow pain. |
| 08/29/20 | St. Louis Cardinals recalled John Nogowski from Cardinals Alternate Training Site. |
| 08/29/20 | St. Louis Cardinals recalled Rob Kaminsky from Cardinals Alternate Training Site. |
| 08/29/20 | St. Louis Cardinals recalled Ryan Meisinger from Cardinals Alternate Training Site. |
| 08/29/20 | St. Louis Cardinals recalled RHP Seth Elledge from Cardinals Alternate Training Site. |
| 08/29/20 | St. Louis Cardinals optioned RHP Junior Fernandez to Cardinals Alternate Training Site. |
| 08/29/20 | St. Louis Cardinals placed LHP Ricardo Sanchez on the 10-day injured list. Left elbow pain. |
| 08/29/20 | St. Louis Cardinals optioned RHP Daniel Ponce de Leon to Cardinals Alternate Training Site. |
| 08/29/20 | St. Louis Cardinals optioned 2B Max Schrock to Cardinals Alternate Training Site. |
| 08/28/20 | St. Louis Cardinals optioned RHP Seth Elledge to Cardinals Alternate Training Site. |
| 08/27/20 | St. Louis Cardinals recalled Seth Elledge from Cardinals Alternate Training Site. |
| 08/27/20 | St. Louis Cardinals placed LHP Andrew Miller on the 10-day injured list retroactive to August 24, 2020. Left shoulder fatigue. |
| 08/27/20 | St. Louis Cardinals optioned SS Edmundo Sosa to Cardinals Alternate Training Site. |
| 08/27/20 | Junior Fernandez roster status changed by St. Louis Cardinals. |
| 08/23/20 | St. Louis Cardinals activated SS Paul DeJong from the 10-day injured list. |
| 08/23/20 | St. Louis Cardinals activated SS Paul DeJong from the 10 day injured list. |
| 08/23/20 | St. Louis Cardinals activated SS Paul DeJong from the 10-day injured list. |
| 08/23/20 | St. Louis Cardinals optioned RHP Seth Elledge to Cardinals Alternate Training Site. |
| 08/21/20 | St. Louis Cardinals sent RHP Alvaro Seijas outright to Springfield Cardinals. |
| 08/20/20 | St. Louis Cardinals optioned RHP Nabil Crismatt to Cardinals Alternate Training Site. |
| 08/20/20 | St. Louis Cardinals optioned RHP Jake Woodford to Cardinals Alternate Training Site. |
| 08/20/20 | St. Louis Cardinals placed C Matt Wieters on the 10-day injured list. Left great toe contusion. |
| 08/20/20 | St. Louis Cardinals activated C Yadier Molina from the 10-day injured list. |
| 08/20/20 | St. Louis Cardinals recalled RHP Jake Woodford from Cardinals Alternate Training Site. |
| 08/19/20 | St. Louis Cardinals optioned RHP Jesus Cruz to Cardinals Alternate Training Site. |
| 08/19/20 | St. Louis Cardinals activated LHP Austin Gomber from the 10-day injured list. |
| 08/19/20 | St. Louis Cardinals recalled Jake Woodford from Cardinals Alternate Training Site. |
| 08/19/20 | St. Louis Cardinals selected the contract of RHP Johan Oviedo from Cardinals Alternate Training Site. |
| 08/19/20 | St. Louis Cardinals optioned RHP Ryan Meisinger to Cardinals Alternate Training Site. |
| 08/18/20 | St. Louis Cardinals optioned RHP Jake Woodford to Cardinals Alternate Training Site. |
| 08/18/20 | St. Louis Cardinals selected the contract of Jesus Cruz from Cardinals Alternate Training Site. |
| 08/18/20 | St. Louis Cardinals optioned LHP Rob Kaminsky to Cardinals Alternate Training Site. |
| 08/17/20 | St. Louis Cardinals optioned RHP Roel Ramirez to Cardinals Alternate Training Site. |
| 08/17/20 | St. Louis Cardinals selected the contract of Ryan Meisinger from Cardinals Alternate Training Site. |
| 08/17/20 | St. Louis Cardinals recalled Jake Woodford from Cardinals Alternate Training Site. |
| 08/17/20 | St. Louis Cardinals selected the contract of Nabil Crismatt from Cardinals Alternate Training Site. |
| 08/17/20 | St. Louis Cardinals optioned 1B John Nogowski to Cardinals Alternate Training Site. |
| 08/16/20 | St. Louis Cardinals optioned RHP Jake Woodford to Cardinals Alternate Training Site. |
| 08/15/20 | St. Louis Cardinals selected the contract of Seth Elledge from Cardinals Alternate Training Site. |
| 08/15/20 | St. Louis Cardinals recalled LHP Ricardo Sanchez from Cardinals Alternate Training Site. |
| 08/15/20 | St. Louis Cardinals selected the contract of Rob Kaminsky from Cardinals Alternate Training Site. |
| 08/15/20 | St. Louis Cardinals selected the contract of John Nogowski from Cardinals Alternate Training Site. |
| 08/15/20 | St. Louis Cardinals placed RHP Ryan Helsley on the 10-day injured list. |
| 08/15/20 | St. Louis Cardinals selected the contract of Dylan Carlson from Cardinals Alternate Training Site. |
| 08/15/20 | St. Louis Cardinals placed CF Lane Thomas on the 10-day injured list. |
| 08/15/20 | St. Louis Cardinals placed LF Austin Dean on the 10-day injured list. |
| 08/14/20 | St. Louis Cardinals placed LHP Austin Gomber on the 10-day injured list retroactive to August 13, 2020. |
| 08/13/20 | St. Louis Cardinals invited non-roster C Pedro Pages to spring training. |
| 08/13/20 | St. Louis Cardinals invited non-roster RHP Bryan Dobzanski to spring training. |
| 08/13/20 | St. Louis Cardinals invited non-roster SS Kramer Robertson to spring training. |
| 08/09/20 | St. Louis Cardinals transferred RHP Miles Mikolas from the 10-day injured list to the 60-day injured list. Right forearm strain. |
| 08/06/20 | St. Louis Cardinals invited non-roster RHP Ryan Meisinger to spring training. |
| 08/06/20 | St. Louis Cardinals invited non-roster RHP Jesus Cruz to spring training. |
| 08/05/20 | St. Louis Cardinals recalled RHP Alex Reyes. |
| 08/05/20 | St. Louis Cardinals recalled P Alex Reyes. |
| 08/05/20 | St. Louis Cardinals invited non-roster SS Masyn Winn to spring training. |
| 08/05/20 | St. Louis Cardinals recalled P Genesis Cabrera. |
| 08/05/20 | St. Louis Cardinals placed 1B Rangel Ravelo on the 10-day injured list. |
| 08/05/20 | St. Louis Cardinals recalled LHP Genesis Cabrera, and. |
| 08/05/20 | St. Louis Cardinals recalled RHP Alex Reyes from Cardinals Alternate Training Site. |
| 08/05/20 | St. Louis Cardinals recalled LHP Genesis Cabrera from Cardinals Alternate Training Site. |
| 08/05/20 | St. Louis Cardinals placed RHP Alex Reyes on the 60-day injured list. Right shoulder injury. |
| 08/05/20 | St. Louis Cardinals selected the contract of Roel Ramirez from Cardinals Alternate Training Site. |
| 08/05/20 | St. Louis Cardinals selected the contract of Max Schrock from Cardinals Alternate Training Site. |
| 08/04/20 | St. Louis Cardinals placed RHP Kodi Whitley on the 10-day injured list. |
| 08/04/20 | Edmundo Sosa roster status changed by St. Louis Cardinals. |
| 08/04/20 | St. Louis Cardinals placed SS Paul DeJong on the 10-day injured list. |
| 08/04/20 | St. Louis Cardinals placed RHP Carlos Martinez on the 10-day injured list. |
| 08/04/20 | St. Louis Cardinals invited non-roster 3B Malcom Nunez to spring training. |
| 08/04/20 | St. Louis Cardinals placed RHP Junior Fernandez on the 10-day injured list. |
| 08/04/20 | St. Louis Cardinals placed C Yadier Molina on the 10-day injured list. |
| 08/04/20 | St. Louis Cardinals activated 2B Brad Miller from the 10-day injured list. |