Bills MLB Marcus Buggs was carted off with a left knee injury in the third quarter of Sunday's game.
Marcus Buggs, undrafted a year ago, will fill in at middle linebacker while Paul Posluszny is out six weeks with a broken arm.
Bills placed LB Marcus Buggs on injured reserve with a high ankle sprain, ending his season.
The Bills are expected to place LB Marcus Buggs on injured reserve with a high ankle sprain.
Bills promoted LB Marcus Buggs from the practice squad.