DAVE BUTZ NFL DEFENSIVE LINEMAN 1973-1988 (PT. 2) (PURDUE)
Pro Football Journal: Rest In Peace—Dave Butz
Washington Commanders: Remembering Dave Butz's legendary career
Erik Visits an American Grave, Part 321 - Lawyers, Guns & Money
Draft Pick Countdown, No. 7: Dave Butz, the Accomplished Giant - Sports Illustrated Purdue Boilermakers News, Analysis and More
2x Super Bowl Champion And College Football Legend Passes Away At 72 - EssentiallySports
Remembering Purdue Legend Dave Butz - BoilerUpload
Purdue DT great Dave Butz passes away - On3
Purdue's Dave Butz elected to College Football Hall of Fame
Old National Presents: The Boilermaker legacy of 'greatest recruiter' - BoilerUpload
Who belongs on the Redskins' Mt. Rushmore of pass rushers? - Hogs Haven
A History of Purdue Pete — Purdue IT, Engineering IT
DuPree, DeLamielleure mourn loss of Eric Allen - Spartans Illustrated
Purdue Boilermakers football - Wikipedia