Darren Sproles' role is growing for the Eagles
MAR 28, 1:16p ET | cover32
Rotowire: Jan 5 / 11:02a ET
News: Polk finished 2014 with 172 yards and four touchdowns on 46 carries. He also returned a kickoff for a 102-yard touchdown.
Impact: Polk built up some real momentum on offense toward the end of the year, giving Philadelphia more of a pure power element than LeSean McCoy or Darren Sproles could offer. In two games over the span of the final three regular season games, Polk totaled three rushing touchdowns on nine carries for 44 yards. He might be able to establish himself as a steadily-used short-yardage specialist in 2015, though he'll otherwise remain on the bench behind McCoy and perhaps Sproles.