Heavy NFL players twice as likely to die before 50 - ESPN
Why are five sons of former major league stars playing in Brockton? For the love of baseball. - The Boston Globe
Obituary: Jack Tatum dies at 61; Oakland Raider safety whose hit left Darryl Stingley paralyzed - Los Angeles Times
Football player - Wikipedia
Former NFL players die at higher rate than their MLB counterparts, study says
Deaths from brain, heart problems higher for NFL than MLB
J.D. Martinez and the proved-it moments, by Mark Langill, Oct, 2023
Pro Football Players Die at a Higher Rate than Pro Baseball Players
Demaryius Thomas Diagnosed With C.T.E., Family Reckons With His Death : r/ nfl
The fire that drove Wally Triplett, the first drafted black player in the NFL, NFL
Football mortality rate: Is baseball really more hazardous to players' health than football?