Dave Wannstedt

Dave Wannstedt (born May 21, 1952) is the defensive coordinator for the Buffalo Bills of the National Football League (NFL). He was the head coach of the University of Pittsburgh football team, a position he held for six seasons from 2005–2010. Wannstedt is also the former head coach of the Miami Dolphins and Chicago Bears of the NFL. He also was a long-time assistant to Jimmy Johnson with the Dallas Cowboys, Miami Hurricanes, and Oklahoma State Cowboys as well as an associate of Johnson when both were assistants at the University of Pittsburgh in the 1970s.