Williams will start camp on the active/physically unable to perform list after undergoing season-ending knee surgery last season., ESPN's Mike Rodak reports.

EDGE Analysis

The Buffalo defense suffered a significant drop-off in the 10 games Williams missed last season due to various injuries. While he's on the tail end of a fine career, the team could really use his veteran presence and relentlessness to help a young D try to turn things around. Bills GM Doug Whaley feels Williams can be ready for Week 1 with some limited practice time this season. said the team's priority is to get Williams healthy and ready for Week 1.