Mayfield hurts left ankle

Panthers QB Baker Mayfield picked up a left ankle injury in Sunday's loss to the 49ers. We saw him lipping at the end of the 1st half, but he was able to return for the 2nd. Mayfield was in a walking boot after the game and said he was headed for a Monday MRI. We should learn more tomorrow. With QB Sam Darnold still out with his ankle injury, QB P.J. Walker is Carolina's backup.