League current injuries -- American League
Regular season -- as of 9/20/1939
| Injuries |
| | | | | | Duration |
| Date | Team | Name | Cause | Return | Orig | Left |
| 9/20/1939 | WBS | Ross,C | General | 10/14/1939 | 24 | 24 |
| 9/13/1939 | WBS | Mattick | General | 10/14/1939 | 31 | 24 |
| 9/6/1939 | SDG | Berger,W | General | 10/14/1939 | 38 | 24 |
| 9/20/1939 | BLU | Castleman | General | 10/14/1939 | 24 | 24 |
| 7/19/1939 | SDG | McCarthy | General | 10/14/1939 | 87 | 24 |
| 6/21/1939 | SDG | Coble | General | 10/14/1939 | 115 | 24 |
| 9/20/1939 | WBS | King | General | 10/14/1939 | 24 | 24 |
| 8/27/1939 | LVC | Raffensberger | General | 10/14/1939 | 48 | 24 |
| 8/6/1939 | NHW | Nonnenkamp | General | 10/14/1939 | 69 | 24 |
| 7/19/1939 | FRK | Lillard,B | General | 10/14/1939 | 87 | 24 |
| 9/13/1939 | LVC | Lucadello | General | 10/14/1939 | 31 | 24 |
| 6/14/1939 | BLU | Gelbert | General | 10/14/1939 | 122 | 24 |
| 8/20/1939 | BLU | West,S | General | 10/14/1939 | 55 | 24 |
| 8/27/1939 | SDG | Suhr | General | 10/14/1939 | 48 | 24 |