Buffalo Bills player is in critical condition after collapsing in game : NPR
Bills safety Damar Hamlin suffers cardiac arrest, in critical condition after on-field collapse - The Boston Globe
Athletic trainer weighs in after Damar Hamlin's on-field collapse
Bills' Hamlin in critical condition after collapse on field - The San Diego Union-Tribune
Buffalo Bills safety Damar Hamlin in critical condition after post-tackle cardiac arrest
Buffalo Bills' Damar Hamlin Collapses on Field, In Critical Condition – La Voce di New York
NFL Player's Collapse Evokes Rare Sports-Linked Condition - BNN Bloomberg
VIDEOS, PHOTOS: Aftermath of Damar Hamlin's collapse captured in detail; See the somber reaction as fans pray for Buffalo Bills' safety
Read the NFL's full statement after Damar Hamlin's collapse during Bills-Bengals game
Bills' Damar Hamlin in critical condition after collapse
EMS leaders, providers respond to Buffalo Bills player's collapse, on-field treatment
NFL suspends Monday Night Football after Buffalo Bills safety collapses, team unsure if he's alive