Research & Reports
Team Records
Denver Mustangs : ERA
| Team | Season | ERA |
| Denver Mustangs | 123 | 3.288 |
| Denver Mustangs | 125 | 3.600 |
| Denver Mustangs | 121 | 3.640 |
| Denver Mustangs | 126 | 3.690 |
| Denver Mustangs | 124 | 3.702 |
| Denver Mustangs | 114 | 3.881 |
| Denver Mustangs | 120 | 3.888 |
| Denver Mustangs | 128 | 3.899 |
| Denver Mustangs | 131 | 3.922 |
| Denver Mustangs | 119 | 4.004 |
| Denver Mustangs | 130 | 4.038 |
| Denver Mustangs | 122 | 4.131 |
| Denver Mustangs | 112 | 4.145 |
| Denver Mustangs | 132 | 4.169 |
| Denver Mustangs | 115 | 4.209 |
| Denver Mustangs | 118 | 4.344 |
| Denver Mustangs | 129 | 4.466 |
| Denver Mustangs | 117 | 4.660 |
| Denver Mustangs | 108 | 4.790 |
| Denver Mustangs | 116 | 4.817 |
| Denver Mustangs | 109 | 4.837 |
| Denver Mustangs | 110 | 4.901 |
| Denver Mustangs | 111 | 5.000 |
| Denver Mustangs | 113 | 6.369 |
