The news made matters difficult for the line. Erik Pears, the team's top right tackle, has been out since Nov. 6, and is also lost for the season with a hip issue.
Buffalo signed Chris Scott off the Tennessee Titans' practice squad to the fill the roster vacancy. The 6-4, 360-pound tackle has also spent time on the practice squads of Green Bay and Tampa Bay after playing two seasons with the Steelers. He was selected by Pittsburgh in the 2010 fifth round.
Copyright 2012 by The Associated Press