ERA+
Jason Frasor · Season-by-season history
ERA+ over time
- Toronto Blue Jays · MLB
- Texas Rangers · MLB
- Kansas City Royals · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2015 |  Kansas City Royals |
MLB | 275 |
| 2014 |  Texas Rangers |
MLB | 121 |
| 2013 | Texas Rangers |
MLB | 161 |
| 2012 |  Toronto Blue Jays |
MLB | 103 |
| 2011 | Toronto Blue Jays |
MLB | 144 |
| 2010 | Toronto Blue Jays |
MLB | 114 |
| 2009 | Toronto Blue Jays |
MLB | 178 |
| 2008 | Toronto Blue Jays |
MLB | 102 |
| 2007 | Toronto Blue Jays |
MLB | 98 |
| 2006 | Toronto Blue Jays |
MLB | 106 |
| 2005 | Toronto Blue Jays |
MLB | 137 |
| 2004 | Toronto Blue Jays |
MLB | 119 |