ERA+
John Cummings · Season-by-season history
ERA+ over time
- Seattle Mariners · MLB
- Detroit Tigers · 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 |  Detroit Tigers |
MLB | 85 |
| 1996 | Detroit Tigers |
MLB | 101 |
| 1995 |  Seattle Mariners |
MLB | 43 |
| 1994 | Seattle Mariners |
MLB | 87 |
| 1993 | Seattle Mariners |
MLB | 73 |