Dave Butz, two-time Super Bowl champion with Washington, dies at age of 72
Dave Butz, who helped Washington win two Super Bowls, dies at 72
What's the major differences between the NFL now and the NFL in the 90's? - Quora
College Football Hall Of Fame Player, 2-Time Super Bowl Champion Has Died - The Spun: What's Trending In The Sports World Today
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Two-time Super Bowl champion Dave Butz, 72, dies
List of German Americans, Ultimate Pop Culture Wiki