ERA+
Bartolo Colon · Season-by-season history
ERA+ over time
- Cleveland Guardians · MLB
- Chicago White Sox · MLB
- Los Angeles Angels · MLB
- Boston Red Sox · MLB
- New York Yankees · MLB
- Athletics · MLB
- Minnesota Twins · MLB
- Texas Rangers · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2018 |  Texas Rangers |
MLB | 82 |
| 2017 |  Minnesota Twins |
MLB | 86 |
| 2013 |  Athletics |
MLB | 147 |
| 2012 | Athletics |
MLB | 114 |
| 2011 |  New York Yankees |
MLB | 107 |
| 2009 |  Chicago White Sox |
MLB | 113 |
| 2008 |  Boston Red Sox |
MLB | 119 |
| 2007 |  Los Angeles Angels |
MLB | 71 |
| 2006 | Los Angeles Angels |
MLB | 89 |
| 2005 | Los Angeles Angels |
MLB | 122 |
| 2004 | Los Angeles Angels |
MLB | 89 |
| 2003 | Chicago White Sox |
MLB | 120 |
| 2002 |  Cleveland Guardians |
MLB | 172 |
| 2001 | Cleveland Guardians |
MLB | 110 |
| 2000 | Cleveland Guardians |
MLB | 127 |
| 1999 | Cleveland Guardians |
MLB | 126 |
| 1998 | Cleveland Guardians |
MLB | 128 |
| 1997 | Cleveland Guardians |
MLB | 83 |