scoreboard
| USOC | 1921 | 3 | Fairlawn Rovers | 1 - 0 | Potter & Johnson | 1 | |
| USOC | 1921 | 3 | Fore River Rovers | 3 - 0 | Grey & Davis | 1 | |
| USOC | 1921 | 3 | Boston City | 1 - 3 | Lynn Gas & Electric | 1 |
| USOC | 1921 | 3 | Fairlawn Rovers | 1 - 0 | Potter & Johnson | 1 | |
| USOC | 1921 | 3 | Fore River Rovers | 3 - 0 | Grey & Davis | 1 | |
| USOC | 1921 | 3 | Boston City | 1 - 3 | Lynn Gas & Electric | 1 |