| Injuries | ||||||
| Duration | ||||||
| Date | Team | Name | Cause | Return | Orig | Left |
| 8/14/1921 | BG | Heilmann | General | 8/19/1921 | 5 | 1 |
| 7/20/1921 | Mac | Ehmke | General | 8/20/1921 | 31 | 2 |
| 8/10/1921 | Top | Wambsganss | General | 8/23/1921 | 13 | 5 |
| 8/15/1921 | Mac | Grimes,B | General | 8/26/1921 | 11 | 8 |
| 8/12/1921 | Wil | Vangilder | General | 8/26/1921 | 14 | 8 |
| 8/12/1921 | Top | Burns,GH | General | 8/28/1921 | 16 | 10 |
| 8/12/1921 | Mid | Kolp | General | 8/28/1921 | 16 | 10 |
| 8/18/1921 | KS | Wrightstone | General | 8/31/1921 | 13 | 13 |