ERA+
John Parrish · Season-by-season history
ERA+ over time
- Baltimore Orioles · MLB
- Toronto Blue Jays · MLB
- Kansas City Royals · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2010 |  Kansas City Royals |
MLB | 148 |
| 2008 |  Toronto Blue Jays |
MLB | 106 |
| 2007 |  Baltimore Orioles |
MLB | 86 |
| 2005 | Baltimore Orioles |
MLB | 141 |
| 2004 | Baltimore Orioles |
MLB | 132 |
| 2003 | Baltimore Orioles |
MLB | 239 |
| 2001 | Baltimore Orioles |
MLB | 71 |
| 2000 | Baltimore Orioles |
MLB | 66 |