 Spencer followed up his 2009 season with a very solid 2010 season, as he again started all sixteen games.For the first time in Spencer's Dallas career, the team finished with a losing record, at 6-10 (the Cowboys were 13-3 in 2007, 9-7 in 2008, and 11-5 in 2009).Despite the overall disappointment of Dallas's season, Spencer put in a solid 16 starts, recording 63 tackles, 5 sacks, and 2 forced fumbles.