Former Washington defensive lineman Dave Butz, a two-time Super Bowl winner who played 16 seasons in the NFL, has died. He was 72. The Commanders announced his passing Friday on their website. No cause of death was provided. Former Washington quarterback Joe Theismann took to Twitter to reflect on his former teammate. “Lost a dear friend today. Dave Butz,” Theismann wrote. “Dave, Mark Mosley and I used to ride to games together. A true gentle giant. Rest In Peace my friend.” Lost a dear friend today. Dave Butz. Dave Mark Mosley and I used to ride to games together. A true gentle giant. Rest In Peace my friend….