Polk served as the Texans' starting running back Sunday night against the Patriots, the Houston Chronicle reports.

EDGE Analysis

Polk replaced teammate Alfred Blue, who was relegated to only special teams work Sunday night, after previously serving as the Texans' primary replacement for Arian Foster (Achilles). In his starting role, Polk totaled 34 rushing yards on 11 carries, but Jonathan Grimes led the Texans with 53 yards on seven carries. In a committee-based, underwhelming rushing attack, Polk's starting role could certainly change, but it's worth noting he was Houston's first-choice at running back in Week 14.