Loss
John Lackey · Season-by-season history
Loss over time
- Los Angeles Angels · MLB
- Boston Red Sox · MLB
| Season | Team | League | Loss |
|---|---|---|---|
| 2014 |  Boston Red Sox |
MLB | 7 |
| 2013 | Boston Red Sox |
MLB | 13 |
| 2011 | Boston Red Sox |
MLB | 12 |
| 2010 | Boston Red Sox |
MLB | 11 |
| 2009 |  Los Angeles Angels |
MLB | 8 |
| 2008 | Los Angeles Angels |
MLB | 5 |
| 2007 | Los Angeles Angels |
MLB | 9 |
| 2006 | Los Angeles Angels |
MLB | 11 |
| 2005 | Los Angeles Angels |
MLB | 5 |
| 2004 | Los Angeles Angels |
MLB | 13 |
| 2003 | Los Angeles Angels |
MLB | 16 |
| 2002 | Los Angeles Angels |
MLB | 4 |