Dave Butz, who led Washington to pair of Super Bowl titles, dead at 72 – WFTV
DAVE BUTZ NFL DEFENSIVE LINEMAN 1973-1988 (PT. 2) (PURDUE)
Egg Bowl Win Like a Million Dollars
15 Famous Alumni From Purdue University - Society19
Dave Butz, Washington legend and two-time Super Bowl champion, dead at 72
Dave Butz, who helped Washington win 2 Super Bowls, dies
One Man's Ranking of Purdue Football's Previous First Round Draft Picks - TheTimes of Noblesville
Top 10 all-time NFL players from Purdue
List of best NFL players from Chicago area evokes epic all-era roster
Who was Dave Butz? Former Commanders Super Bowl winner dead at 72
2009 WMU Football Information Guide by Mat Kanan - Issuu
Super Bowl XXII - Wikipedia