Research & Reports
Team Records
Billings Bumarnos : ERA
| Team | Season | ERA |
| Billings Bumarnos | 103 | 4.371 |
| Billings Bumarnos | 110 | 4.371 |
| Billings Bumarnos | 111 | 5.363 |
| Billings Bumarnos | 115 | 5.461 |
| Billings Bumarnos | 114 | 5.832 |
| Billings Bumarnos | 113 | 6.538 |
