Earned Runs Allowed
Bobby Jenks · Season-by-season history
Earned Runs Allowed over time
- Chicago White Sox · MLB
- Boston Red Sox · MLB
| Season | Team | League | Earned Runs Allowed |
|---|---|---|---|
| 2011 |  Boston Red Sox |
MLB | 11 |
| 2010 |  Chicago White Sox |
MLB | 26 |
| 2009 | Chicago White Sox |
MLB | 22 |
| 2008 | Chicago White Sox |
MLB | 18 |
| 2007 | Chicago White Sox |
MLB | 20 |
| 2006 | Chicago White Sox |
MLB | 31 |
| 2005 | Chicago White Sox |
MLB | 12 |