ERA+
Tom Mastny · Season-by-season history
ERA+ over time
- Cleveland Guardians · MLB
Hover over a point for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2008 |  Cleveland Guardians |
MLB | 40 |
| 2007 | Cleveland Guardians |
MLB | 97 |
| 2006 | Cleveland Guardians |
MLB | 83 |