NFL: Damar Hamlin makes impact in return to football
Bills' Damar Hamlin in critical condition for cardiac arrest - Los Angeles Times
Covering the possible causes and diagnoses of Damar Hamlin's injury - Poynter
Damar Hamlin makes an early impact in returning to field in Bills' preseason game against Colts
CPR instructor: Quick action saved Damar Hamlin's life
Bills' Damar Hamlin's cardiac arrest adds to NFL injury reality
For Buffalo Bills S Damar Hamlin, proof continually reveals itself on-field - Buffalo Rumblings
Damar Hamlin plays in first regular season game since January cardiac arrest
Buffalo Bills' Damar Hamlin in critical condition after collapse on field
Damar Hamlin thanks everyone for support in first public comments since cardiac arrest
Damar Hamlin - NFL News, Rumors, & Updates
Damar Hamlin's Collapse and the Mental-Health Concerns Facing the NFL - WSJ
Damar Hamlin: Buffalo Bills safety showing 'remarkable improvement,' doctors say
Bills safety Damar Hamlin returns
What Happened to Damar Hamlin? Timeline Before the Bills Safety's Inspiring Return vs. the Colts