ERA+
Gregg Olson · Season-by-season history
ERA+ over time
- Baltimore Orioles · MLB
- Cleveland Guardians · MLB
- Detroit Tigers · MLB
- Minnesota Twins · MLB
Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 1997 |  Minnesota Twins |
MLB | 26 |
| 1996 |  Detroit Tigers |
MLB | 102 |
| 1995 |  Cleveland Guardians |
MLB | 39 |
| 1993 |  Baltimore Orioles |
MLB | 281 |
| 1992 | Baltimore Orioles |
MLB | 195 |
| 1991 | Baltimore Orioles |
MLB | 126 |
| 1990 | Baltimore Orioles |
MLB | 158 |