Research & Reports
Team Records
Rockford Raccoons : ERA
| Team | Season | ERA |
| Rockford Raccoons | 127 | 2.768 |
| Rockford Raccoons | 122 | 3.027 |
| Rockford Raccoons | 132 | 3.140 |
| Rockford Raccoons | 130 | 3.173 |
| Rockford Raccoons | 129 | 3.233 |
| Rockford Raccoons | 119 | 3.249 |
| Rockford Raccoons | 121 | 3.273 |
| Rockford Raccoons | 116 | 3.371 |
| Rockford Raccoons | 115 | 3.494 |
| Rockford Raccoons | 118 | 3.496 |
| Rockford Raccoons | 114 | 3.510 |
| Rockford Raccoons | 123 | 3.527 |
| Rockford Raccoons | 126 | 3.658 |
| Rockford Raccoons | 117 | 3.725 |
| Rockford Raccoons | 112 | 3.746 |
| Rockford Raccoons | 128 | 3.757 |
| Rockford Raccoons | 110 | 3.767 |
| Rockford Raccoons | 124 | 3.775 |
| Rockford Raccoons | 109 | 3.818 |
| Rockford Raccoons | 113 | 3.862 |
| Rockford Raccoons | 120 | 3.905 |
| Rockford Raccoons | 125 | 4.024 |
| Rockford Raccoons | 131 | 4.089 |
| Rockford Raccoons | 111 | 4.295 |
