John Madden, Hall of Fame Coach and Broadcaster, Is Dead at 85 - The New York Times
The NFL Made Me Rich. I Won't Watch It Now., Death, Sex & Money
See a statement from the family of Dick Butkus after his death
Valley News - Dartmouth 34, Lehigh 17: In first game since Teevens' death, Big Green rolls to victory
Life and death on the gridiron
15 Football (Soccer) Players Who Died On The Field - Discover Walks Blog
35 Best Football Movies of All Time
Mervo HS football player dies from injuries sustained in game
Demaryius Thomas's Death Was Caused by Seizure Disorder - The New York Times