ERA+
Eddie Guardado · Season-by-season history
ERA+ over time
- Minnesota Twins · MLB
- Seattle Mariners · MLB
- Texas Rangers · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2009 |  Texas Rangers |
MLB | 105 |
| 2008 | Texas Rangers |
MLB | 123 |
| 2006 |  Seattle Mariners |
MLB | 82 |
| 2005 | Seattle Mariners |
MLB | 155 |
| 2004 | Seattle Mariners |
MLB | 163 |
| 2003 |  Minnesota Twins |
MLB | 157 |
| 2002 | Minnesota Twins |
MLB | 153 |
| 2001 | Minnesota Twins |
MLB | 130 |
| 2000 | Minnesota Twins |
MLB | 132 |
| 1999 | Minnesota Twins |
MLB | 113 |
| 1998 | Minnesota Twins |
MLB | 106 |
| 1997 | Minnesota Twins |
MLB | 119 |
| 1996 | Minnesota Twins |
MLB | 97 |
| 1995 | Minnesota Twins |
MLB | 94 |
| 1994 | Minnesota Twins |
MLB | 58 |
| 1993 | Minnesota Twins |
MLB | 70 |