ERA+
Jeremy Guthrie · Season-by-season history
ERA+ over time
- Cleveland Guardians · MLB
- Baltimore Orioles · MLB
- Kansas City Royals · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2015 |  Kansas City Royals |
MLB | 70 |
| 2014 | Kansas City Royals |
MLB | 95 |
| 2013 | Kansas City Royals |
MLB | 102 |
| 2012 | Kansas City Royals |
MLB | 132 |
| 2011 |  Baltimore Orioles |
MLB | 97 |
| 2010 | Baltimore Orioles |
MLB | 108 |
| 2009 | Baltimore Orioles |
MLB | 90 |
| 2008 | Baltimore Orioles |
MLB | 122 |
| 2007 | Baltimore Orioles |
MLB | 125 |
| 2006 |  Cleveland Guardians |
MLB | 65 |
| 2005 | Cleveland Guardians |
MLB | 74 |
| 2004 | Cleveland Guardians |
MLB | 97 |