Report: X-rays negative on Baker Mayfield's foot

X-rays on Carolina Panthers quarterback Baker Mayfield's left foot were negative, NFL Network reported Monday.

Mayfield will have an MRI on Monday to determine the extent of an injury sustained in Sunday's 37-15 home loss to the San Francisco 49ers. He limped to the locker room with 11 seconds remaining in the first half after a player fell on his left ankle.

Mayfield, who was in a walking boot when he met reporters aft