What happened to NFL player Damar Hamlin, who collapsed on the field after suffering cardiac arrest
Buffalo Bills player is in critical condition after collapsing in game : NPR
Bills-Bengals won't resume this week; Hamlin had cardiac arrest - Los Angeles Times
Damar Hamlin collapse: Details of immediate response from players and coaches - Sports Illustrated
Tonight, we are ALL Bills fans': Social media responds after Bills Damar Hamlin's on-field collapse during game against Bengals
What Happened to Damar Hamlin? What We Know After Bills Player Collapses, Suffers Cardiac Arrest On Field – NBC Chicago
When Damar Hamlin collapsed, the NFL deployed its emergency action plan - The Washington Post
Bills' Hamlin in critical condition after collapse on field
Patriots players express support for Damar Hamlin after in-game collapse - Pats Pulpit