TAMPA, FL -  DECEMBER 15:  Fullback Bruce Miller #49 of the San Francisco 49ers runs upfield against the Tampa Bay Buccaneers December 15, 2013 at Raymond
TAMPA, FL - DECEMBER 15: Fullback Bruce Miller #49 of the San Francisco 49ers runs upfield against the Tampa Bay Buccaneers December 15, 2013 at Raymond James Stadium in Tampa, Florida. (Photo by Al Messerschmidt/Getty Images) ( Al Messerschmidt )