Loss
Jon Lester · Season-by-season history
Loss over time
- Boston Red Sox · MLB
Hover over a point for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | Loss |
|---|---|---|---|
| 2014 |  Boston Red Sox |
MLB | 7 |
| 2013 | Boston Red Sox |
MLB | 8 |
| 2012 | Boston Red Sox |
MLB | 14 |
| 2011 | Boston Red Sox |
MLB | 9 |
| 2010 | Boston Red Sox |
MLB | 9 |
| 2009 | Boston Red Sox |
MLB | 8 |
| 2008 | Boston Red Sox |
MLB | 6 |
| 2007 | Boston Red Sox |
MLB | 0 |
| 2006 | Boston Red Sox |
MLB | 2 |