ERA+
Jarrod Washburn · Season-by-season history
ERA+ over time
- Los Angeles Angels · MLB
- Seattle Mariners · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2009 |  Seattle Mariners |
MLB | 161 |
| 2008 | Seattle Mariners |
MLB | 90 |
| 2007 | Seattle Mariners |
MLB | 102 |
| 2006 | Seattle Mariners |
MLB | 95 |
| 2005 |  Los Angeles Angels |
MLB | 133 |
| 2004 | Los Angeles Angels |
MLB | 96 |
| 2003 | Los Angeles Angels |
MLB | 99 |
| 2002 | Los Angeles Angels |
MLB | 141 |
| 2001 | Los Angeles Angels |
MLB | 119 |
| 2000 | Los Angeles Angels |
MLB | 135 |
| 1999 | Los Angeles Angels |
MLB | 92 |
| 1998 | Los Angeles Angels |
MLB | 103 |