When Bills' Damar Hamlin collapsed, the NFL stopped and the nation watched - The Washington Post
NFL player Damar Hamlin in critical condition after suffering cardiac arrest
Buffalo Bills' Damar Hamlin in 'critical condition' after collapsing on Monday Night Football
The Terrifying Collapse of Damar Hamlin and the Everyday Violence of Football
What Is Commotio Cordis, and How It May Have Impacted Damar Hamlin
Damar Hamlin cardiac arrest: Everything you need to know about collapse of Bills player.
Buffalo Bills safety Damar Hamlin takes the field in first NFL game since cardiac arrest - CBS News
Damar Hamlin is ready to complete his comeback as he prepares for Bills opener on Monday night
Buffalo Bills star Damar Hamlin's on-field collapse puts spotlight on cardiac arrest in young people - ABC News
Players around NFL say Hamlin's injury wasn't Higgins' fault