Included in the high-profile mix are five former NFL head coaches, the most recent being Gregg Williams (Washington) and Dick Jauron (Detroit), who were let go this season by the Bills and Bears, respectively. Others include Gunther Cunningham, the former Chiefs head coach who has returned to become Kansas City’s DC; Wade Phillips, a former head coach in Denver and Buffalo who will be in charge of the Chargers’ defense; and Dick LeBeau, a former head coach in Cincinnati who is returning to Pittsburgh, where he spent 1992 through ’96 as an assistant coach and then defensive coordinator.