Research & Reports
Team Records
Calgary Spitfires : ERA
| Team | Season | ERA |
| Calgary Spitfires | 132 | 4.551 |
| Calgary Spitfires | 124 | 4.897 |
| Calgary Spitfires | 131 | 5.126 |
| Calgary Spitfires | 125 | 5.191 |
| Calgary Spitfires | 118 | 5.407 |
