ERA+
Bob Wolcott · Season-by-season history
ERA+ over time
- Seattle Mariners · MLB
- Boston Red Sox · 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+ |
|---|---|---|---|
| 1999 |  Boston Red Sox |
MLB | 65 |
| 1997 |  Seattle Mariners |
MLB | 75 |
| 1996 | Seattle Mariners |
MLB | 87 |
| 1995 | Seattle Mariners |
MLB | 109 |