Heading into the 2011 season, the Bills’ offensive line was the biggest question mark on that side of the ball. The unit quieted any doubts with sensational play, even with key players injured. Last season, the Bills allowed the fewest sacks in the league (23), 11 fewer than they allowed in 2010.

Offensive line coach Joe D’Alessandris is entering his third season with the unit, and credits the group’s camaraderie for its success.

“That is a really close unit we have in that room,” he told PFW. “The guys have worked together real well and communicated real well. I think communication was the biggest part. They all stand on the same page. … Communication, trust factor and those guys enjoying each other on and off the field (have been key).”

This summer, D’Alessandris said there has been an emphasis on getting younger players up to speed. In Chan Gailey's spread offense, the offensive linemen's pass protection is "pretty unique," said D'Alessandris. Among the young players looking to join veterans Andy Levitre and Eric Wood up front are second-year man Chris Hairston and 2012 second-rounder Cordy Glenn. The Bills also drafted OT Zebrie Sanders and OG Mark Asper in April.