Research & Reports
Team Records
Portland Throbbers : ERA
| Team | Season | ERA |
| Portland Throbbers | 132 | 3.028 |
| Portland Throbbers | 126 | 3.293 |
| Portland Throbbers | 128 | 3.440 |
| Portland Throbbers | 130 | 3.458 |
| Portland Throbbers | 127 | 3.483 |
| Portland Throbbers | 129 | 3.624 |
| Portland Throbbers | 131 | 3.664 |
