Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 10/30/20 | LHP Ricardo Sanchez roster status changed by St. Louis Cardinals. |
| 10/30/20 | St. Louis Cardinals sent LHP Ricardo Sanchez outright to Memphis Redbirds. |
| 10/30/20 | St. Louis Cardinals activated RHP Dakota Hudson from the 60-day injured list. |
| 10/30/20 | St. Louis Cardinals activated RHP Jordan Hicks from the restricted list. |
| 10/30/20 | St. Louis Cardinals activated RHP Jordan Hicks from the restricted list. |
| 10/30/20 | St. Louis Cardinals activated RHP Miles Mikolas from the 60-day injured list. |
| 10/30/20 | Chicago Cubs claimed 2B Max Schrock off waivers from St. Louis Cardinals. |
| 10/30/20 | St. Louis Cardinals sent RHP Nabil Crismatt outright to Memphis Redbirds. |
| 10/30/20 | St. Louis Cardinals activated P Jordan Hicks from the restricted list. |
| 10/30/20 | St. Louis Cardinals activated RHP John Brebbia from the 60-day injured list. |
| 10/29/20 | 2B Kolten Wong elected free agency. |
| 10/28/20 | C Matt Wieters elected free agency. |
| 10/28/20 | 2B Brad Miller elected free agency. |
| 10/28/20 | RHP Adam Wainwright elected free agency. |
| 10/28/20 | C Yadier Molina elected free agency. |
| 10/03/20 | St. Louis Cardinals activated RHP Nabil Crismatt. |
| 10/03/20 | St. Louis Cardinals activated 2B Max Schrock. |
| 10/03/20 | St. Louis Cardinals activated RHP Jake Woodford. |
| 10/03/20 | St. Louis Cardinals activated CF Lane Thomas. |
| 10/03/20 | St. Louis Cardinals activated 3B Elehuris Montero. |
| 10/03/20 | St. Louis Cardinals activated 1B John Nogowski. |
| 10/03/20 | St. Louis Cardinals activated RHP Junior Fernandez. |
| 10/03/20 | St. Louis Cardinals activated RF Justin Williams. |
| 10/03/20 | St. Louis Cardinals activated RF Justin Williams. |
| 10/03/20 | St. Louis Cardinals activated 2B Edmundo Sosa. |
| 10/03/20 | St. Louis Cardinals activated 2B Edmundo Sosa. |
| 10/03/20 | St. Louis Cardinals activated 1B John Nogowski. |
| 10/03/20 | St. Louis Cardinals activated P Carlos Martinez from the 10 day injured list. |
| 10/03/20 | St. Louis Cardinals activated 1B John Nogowski. |
| 10/03/20 | St. Louis Cardinals activated LF Justin Williams. |
| 10/03/20 | St. Louis Cardinals activated RHP Carlos Martinez from the 10-day injured list. |
| 10/03/20 | St. Louis Cardinals activated RHP Seth Elledge. |
| 10/03/20 | St. Louis Cardinals activated SS Edmundo Sosa. |
| 10/03/20 | St. Louis Cardinals activated RHP Carlos Martinez from the 10-day injured list. |
| 10/03/20 | St. Louis Cardinals activated RF Justin Williams. |