ERA+
Rob Murphy · Season-by-season history
ERA+ over time
- Boston Red Sox · MLB
- Seattle Mariners · MLB
- New York Yankees · 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+ |
|---|---|---|---|
| 1994 |  New York Yankees |
MLB | 34 |
| 1991 |  Seattle Mariners |
MLB | 138 |
| 1990 |  Boston Red Sox |
MLB | 65 |