Former Vikings star Doug Sutherland dies at 73 - NBC Sports
Doug Sutherland, Former Vikings DT, Dies at Age 73, News, Scores, Highlights, Stats, and Rumors
Purple People Eaters - Wikipedia
Pro football: Vikings' Sutherland had 'big laugh, a big smile and huge hands' - Duluth News Tribune
2016 Penn State Football Yearbook by Penn State Athletics - Issuu
Pro football: Vikings' Sutherland had 'big laugh, a big smile and huge hands' - Duluth News Tribune
2015 Rutgers Football Media Guide by Rutgers Athletics - Issuu
Doug Sutherland of Purple People Eaters fame dies at 73
Pro football: Vikings' Sutherland had 'big laugh, a big smile and huge hands' - Duluth News Tribune
Former Vikings defensive lineman Doug Sutherland dies at 73