San Francisco 49ers running back Jarryd Hayne (38) runs the ball away from Pittsburgh Steelers inside linebacker Vince Williams (98) Sunday, Sept. 20, 2015, in Pittsburgh.
San Francisco 49ers running back Jarryd Hayne (38) runs the ball away from Pittsburgh Steelers inside linebacker Vince Williams (98) Sunday, Sept. 20, 2015, in Pittsburgh. Don Wright AP
San Francisco 49ers running back Jarryd Hayne (38) runs the ball away from Pittsburgh Steelers inside linebacker Vince Williams (98) Sunday, Sept. 20, 2015, in Pittsburgh. Don Wright AP