ERA
Todd Burns · Season-by-season history
ERA over time
- Athletics · MLB
- Texas Rangers · MLB
| Season | Team | League | ERA |
|---|---|---|---|
| 1993 |  Texas Rangers |
MLB | 4.57 |
| 1992 | Texas Rangers |
MLB | 3.84 |
| 1991 |  Athletics |
MLB | 3.38 |
| 1990 | Athletics |
MLB | 2.97 |