Buffalo Bills star Damar Hamlin's on-field collapse puts spotlight on cardiac arrest in young people - Good Morning America
Damar Hamlin: Buffalo Bills player in critical condition but showing 'signs of improvement' as support offered to Tee Higgins, NFL News
What happened to NFL player Damar Hamlin, who collapsed on the field after suffering cardiac arrest
Damar Hamlin's Cardiac Arrest: What We Know and Don't Know - The New York Times
NFL players, communities rally for Bills safety Damar Hamlin
Buffalo Bills Player Damar Hamlin Returns To NFL Field For The First Time Since Cardiac Arrest – Deadline
Bills' Dion Dawkins hopes Damar Hamlin's tragic incident shows NFL fans 'we are vulnerable humans'
Athletic trainer explains effort to save Damar Hamlin's life
Damar Hamlin awake, off breathing tube, FaceTimed with Bills teammates
Damar Hamlin Discharged from Hospital and Returning to Buffalo
Very rare - the perfect storm': Cardiologist on NFL star Damar Hamlin's on-field collapse, US News