INDIANAPOLIS at BUFFALO -- COLTS : DNP : DE Keyunta Dawson ( knee ) , DE Dwight Freeney ( not injury related ) , DT Antonio Johnson ( shoulder ) , T Charlie Johnson ( foot ) , DE Robert Mathis ( quadriceps ) , CB Jerraud Powers ( hamstring ) , TE Gijon Robinson ( knee ) , LB Clint Session ( knee ) , RB Chad Simpson ( concussion ) .