ERA+
Jim Converse · Season-by-season history
ERA+ over time
- Seattle Mariners · MLB
- Kansas City Royals · 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 |  Kansas City Royals |
MLB | 138 |
| 1995 |  Seattle Mariners |
MLB | 67 |
| 1994 | Seattle Mariners |
MLB | 56 |
| 1993 | Seattle Mariners |
MLB | 84 |