NFL emergency serves as a reminder about workplace cardiac events
Athletic trainer weighs in after Damar Hamlin's on-field collapse
Buffalo Bills' Damar Hamlin breathing on his own, talking to family - ABC News
Extra Points: Thank your athletic trainers - WTMJ
Damar Hamlin: Buffalo Bills player in critical condition but showing 'signs of improvement' as support offered to Tee Higgins, NFL News
Damar Hamlin in critical condition after suffering cardiac arrest; Bills-Bengals postponed - ESPN
Hamlin injury underscores danger of competition. Just ask Reggie Brown. - Washington Times
Explainer: What happened to Buffalo Bills safety Damar Hamlin?
As scary as I've ever seen': Colts reflect as Damar Hamlin fights for his life - The Athletic
Bills trainers cite Hamlin case as example for schools, youth leagues to make life-saving plans
The Importance of Athletic Trainers: Damar Hamlin's Injury
NFL player's on-field emergency hits close to home for football community, says Winnipeg linebacker - Winnipeg