Former Dallas Cowboys star Marion Barber III died from heat stroke
Running for My Life: My Journey in the Game of Football and Beyond
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Linden NJ High School football wins days after player's death
Aspetar Sports Medicine Journal - Sudden death in football
John Madden, Hall of Fame Coach and Broadcaster, Is Dead at 85
Ex-NFL player Phillip Adams who killed 6 people had CTE, doctors
Korey Stringer's Sacrifice and the Battle to Stop Football Heat
Kevin Everett spinal cord injury Buffalo Bills tight end has recovered