Here's what happened after Damar Hamlin collapsed during the Bills-Bengals game : NPR
The Terrifying Collapse of Damar Hamlin and the Everyday Violence of Football
NFL: Damar Hamlin in critical condition after collapse on field, American Football News
Bills Damar Hamlin's Charity Raises $3 Million After On-Field Collapse – Rolling Stone
Bills-Bengals game suspended by NFL after Damar Hamlin collapses
Damar Hamlin's condition is far more important than football - The Boston Globe
Buffalo Bills' Damar Hamlin in critical condition after cardiac arrest on field, NFL
Athletes and Fans Pray for Damar Hamlin After On-Field Collapse - The New York Times
Buffalo Bills Safety Damar Hamlin Collapses On Field After Mid-Game Collision