Lions RB David Montgomery is suffering from a potential season-ending knee injury

(CBS DETROIT) – The bad news on the injury front continues for the Detroit Lions.

Monday, CBS Sports leads NFL Insider Jonathan Jones reported that running back David Montgomery could miss the rest of the season after suffering a knee injury in Detroit’s 48-42 loss to the Buffalo Bills on Sunday. NFL Network’s Ian Rapoport says Montgomery tore his MCL. ESPN’s Adam Schefter reported that Montgomery will undergo tests and receive a second opinion this week.

Montgomery left the game with an apparent knee injury in the second quarter and returned briefly after halftime before exiting again for the remainder of the game.

Montgomery is one half of Detroit’s dynamic backfield along with Jahmyr Gibbs. The two split time almost equally, with Gibbs carrying the ball 186 times for 1,047 yards and 11 touchdowns, while Montgomery took 185 handoffs for 775 yards and 12 scores.

It was also announced on Monday Report and Schefter defensive tackle Alim McNeill suffered a torn ACL and cornerback Calton Davis II broke his jaw in the loss to the Bills. McNeil is expected to be out for the season, while Davis will have surgery and is out indefinitely.

The Lions also lost defensive back Khalil Dorsey on Sunday to an ankle injury. Dorsey was placed on a back board and had to be driven off the track after colliding with teammate Ezekiel Turner while defending a pass in the second quarter.

Detroit has had several notable injuries to its defensive starters this season. Aidan Hutchinson, Alex Anzalone, Marcus Davenport, Malcolm Rodriguez, John Cominsky, Derrick Barnes, Jalen Reeves-Maybin, Ifeatu Melifonwu, Emmanuel Moseley and Ennis Rakestraw are currently on injured reserve.