From Philadelphia to Buffalo and potentially back again: Defensive tackle Darwin Walker is prepared for anything, even becoming a free agent in August, after contract talks with the Bills reached an impasse Wednesday.

Ralph Wilson is the only owner the Buffalo Bills franchise has had in its history, and that’s the way it’s going to stay as long as he’s alive.

Darwin Walker and the Bills have increased talks to complete a restructured contract in time for the defensive tackle to attend the team's mandatory minicamp next week.