Research & Reports
Team Records
Baltimore Birds : ERA
| Team | Season | ERA |
| Baltimore Birds | 92 | 3.970 |
| Baltimore Birds | 91 | 4.247 |
| Baltimore Birds | 115 | 4.332 |
| Baltimore Birds | 98 | 4.550 |
| Baltimore Birds | 99 | 4.693 |
| Baltimore Birds | 95 | 4.706 |
| Baltimore Birds | 94 | 4.796 |
| Baltimore Birds | 103 | 4.939 |
| Baltimore Birds | 104 | 5.002 |
| Baltimore Birds | 114 | 5.013 |
| Baltimore Birds | 96 | 5.235 |
| Baltimore Birds | 100 | 5.236 |
| Baltimore Birds | 93 | 5.377 |
| Baltimore Birds | 55 | 5.386 |
| Baltimore Birds | 97 | 5.393 |
| Baltimore Birds | 101 | 5.568 |
| Baltimore Birds | 49 | 5.595 |
| Baltimore Birds | 48 | 5.631 |
| Baltimore Birds | 56 | 5.667 |
| Baltimore Birds | 52 | 5.810 |
| Baltimore Birds | 53 | 5.823 |
| Baltimore Birds | 51 | 5.888 |
| Baltimore Birds | 54 | 6.139 |
| Baltimore Birds | 105 | 6.194 |
| Baltimore Birds | 50 | 6.267 |
