ERA+
Aaron Laffey · Season-by-season history
ERA+ over time
- Cleveland Guardians · MLB
- Seattle Mariners · MLB
- Toronto Blue Jays · 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+ |
|---|---|---|---|
| 2013 |  Toronto Blue Jays |
MLB | 69 |
| 2012 | Toronto Blue Jays |
MLB | 93 |
| 2011 |  Seattle Mariners |
MLB | 95 |
| 2010 |  Cleveland Guardians |
MLB | 88 |
| 2009 | Cleveland Guardians |
MLB | 96 |
| 2008 | Cleveland Guardians |
MLB | 100 |
| 2007 | Cleveland Guardians |
MLB | 100 |