‘ There have been so many changes with the Bills’ new 3-4 defense that there is room for a platoon of surprises. Whoever plays defensive end will be new, whether it’s Spencer Johnson, Dwan Edwards or 10-year veteran tackle Marcus Stroud. There is no doubt that Donte Whitner, just 24, will start at safety again, but under the new philosophy will he blossom as the ideal partner for Jairus Byrd?’