Former NFL player Berger forever grateful for late father's influence - Red Deer Advocate
Has an NFL player ever died on the field during a game? - Quora
Life and death on the gridiron
Kwon Alexander Has Amazing Game After Brother's Death, Best Locker Room Speeches (Week 8)
Ex-NFL running back Alex Collins dies at 28
What's the most devastating injury a NFL Football player ever received? - Quora
After Damar Hamlin's collapse, the NFL gave players time - Los Angeles Times
Raiders-Steelers will be bittersweet after Harris' death - The San Diego Union-Tribune
Witness said man was punched before he died at a Patriots-Dolphins game