ERA+
Tim Harikkala · Season-by-season history
ERA+ over time
- Seattle Mariners · MLB
- Boston Red Sox · MLB
- Athletics · 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+ |
|---|---|---|---|
| 2005 |  Athletics |
MLB | 70 |
| 1999 |  Boston Red Sox |
MLB | 82 |
| 1996 |  Seattle Mariners |
MLB | 43 |
| 1995 | Seattle Mariners |
MLB | 32 |