ERA+
Mike Trombley · Season-by-season history
ERA+ over time
- Minnesota Twins · MLB
- Baltimore Orioles · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2002 |  Minnesota Twins |
MLB | 31 |
| 2001 |  Baltimore Orioles |
MLB | 125 |
| 2000 | Baltimore Orioles |
MLB | 115 |
| 1999 | Minnesota Twins |
MLB | 117 |
| 1998 | Minnesota Twins |
MLB | 131 |
| 1997 | Minnesota Twins |
MLB | 106 |
| 1996 | Minnesota Twins |
MLB | 170 |
| 1995 | Minnesota Twins |
MLB | 86 |
| 1994 | Minnesota Twins |
MLB | 77 |
| 1993 | Minnesota Twins |
MLB | 89 |
| 1992 | Minnesota Twins |
MLB | 123 |