| 2021 St. Louis Cardinals | ||
|---|---|---|
| National League Wild Card Winners | ||
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| League | National League | |
| Division | Central | |
| Ballpark | Busch Stadium | |
| City | St. Louis, Missouri | |
| Record | 90–72 (.556) | |
| Divisional place | 2nd | |
| Owners | William DeWitt Jr. | |
| General managers | Mike Girsch | |
| Managers | Mike Shildt | |
| Television | Bally Sports Midwest (Dan McLaughlin, Rick Horton, Jim Edmonds, Brad Thompson, Rick Ankiel) | |
| Radio | KMOX NewsRadio 1120 St. Louis Cardinals Radio Network (Mike Shannon, John Rooney, Rick Horton, Mike Claiborne) | |
| Stats | ESPN.com Baseball Reference | |
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The 2021 St. Louis Cardinals season was the 140th for the St. Louis Cardinals of the Major League Baseball, a franchise in St. Louis, Missouri. It also was the 130th season for the Cardinals in the National League, and their 16th at Busch Stadium III. They advanced to the playoffs but lost to the Los Angeles Dodgers in the NLWC Game. The season included a 17-game winning streak in September, which was the longest in franchise history.