Patriots running back Rhamondre Stevenson fumbles the ball during New England’s 21-14 loss to the Steelers on Sunday in Foxborough, Mass. — The Patriots did something they haven’t done since the Tom Brady era during Sunday’s 21-14 loss to the Steelers. What needs helpIn addition to the turnover issue, penalties were a problem again. The Patriots have been penalized 27 times this season, fourth most in the league. Henderson has been solid as a runner and receiver in limited action, and is the only Patriots running back who hasn’t fumbled.