'Henderson might not have made a convincing enough case to shift to the left in the near future, but – provided he doesn’t play himself off the roster – he could be called on to play there if Glenn were injured. He also could end up there if the Bills were to wind up parting ways with Glenn, whose contract is due to expire after the 2015 season. That also was at least part of the reason Cyrus Kouandjio, another second-year player, received starting reps at right tackle.'