Damar Hamlin collapsed during an NFL game. What happened? - Vox
Chiefs News 1/3: Damar Hamlin in critical condition after suffering cardiac arrest - Arrowhead Pride
Damar Hamlin: Buffalo Bills Player In Critical Condition After Cardiac Arrest On The Field
Shocking scene as Bills player Damar Hamlin suffers cardiac arrest at NFL game
Damar Hamlin Cardiac Arrest: Signs, Symptoms, Recovery Explained
Buffalo Bills safety Damar Hamlin takes the field in first NFL game since cardiac arrest - CBS News
Bills' Damar Hamlin's cardiac arrest adds to NFL injury reality
Bills safety Damar Hamlin in critical condition after collapse during game
Bills safety Damar Hamlin suffered cardiac arrest during 'Monday Night Football' game