 Spencer started all 16 regular season games for the Cowboys in 2009, starting at outside linebacker opposite teammate DeMarcus Ware.While Dallas was able to win their first playoff game in over a decade, the Cowboys fell to the Minnesota Vikings in the NFC Divisional Playoffs.Spencer pitched in two tackles and a sack in the Wild Card game against Philadelphia, and had an outstanding game against the Vikings in the Divisional Round, recording 10 tackles and a sack in a 34-3 Dallas loss.