| 9/1/19 |
St. Louis Cardinals transferred CF Lane Thomas from the 10-day injured list to the 60-day injured list. Right wrist fracture. |
| 9/1/19 |
St. Louis Cardinals activated RF Jose Martinez from the 10-day injured list. |
| 9/1/19 |
St. Louis Cardinals selected the contract of C Joe Hudson from Memphis Redbirds. |
| 9/1/19 |
St. Louis Cardinals selected the contract of RHP Mike Mayers from Memphis Redbirds. |
| 9/1/19 |
St. Louis Cardinals recalled 1B Rangel Ravelo from Memphis Redbirds. |
| 9/1/19 |
St. Louis Cardinals recalled RHP Junior Fernandez from Memphis Redbirds. |
| 9/1/19 |
St. Louis Cardinals recalled C Andrew Knizner from Memphis Redbirds. |
| 9/1/19 |
St. Louis Cardinals recalled RHP Daniel Ponce de Leon from Memphis Redbirds. |
| 9/2/19 |
St. Louis Cardinals recalled SS Edmundo Sosa from Memphis Redbirds. |
| 9/3/19 |
St. Louis Cardinals recalled LF Randy Arozarena from Memphis Redbirds. |