Lions running back David Montgomery suffered a right MCL injury during the game against the Bills, with reports indicating it could be a tear. While there is some discrepancy in the reporting, with some sources suggesting a sprain, it is widely believed that Montgomery will miss the remainder of the regular season and possibly the playoffs. Further testing is expected to clarify the extent of the injury.

• David Montgomery's injury could significantly impact the Lions' backfield.
• Fantasy managers should prepare for Montgomery's absence and consider alternative options.