NFL Players Return to Practice After Damar Hamlin's Collapse - The New York Times
Damar Hamlin makes season debut for Bills after cardiac arrest - ESPN
Ambulance comes out for Bills' Damar Hamlin, trainer conducts CPR
Bills' Hamlin in critical condition after collapse on field
Damar Hamlin inactive for Bills' opener against Jets - ESPN
Will Damar Hamlin play football again? Here's what his doctors said about the Bills safety
Bills S Damar Hamlin has cardiac arrest on field, NFL suspends game vs. Bengals
NFL says Bills-Bengals game will not be completed as doctors outline and supporters cheer Damar Hamlin's improvement
Who is Damar Hamlin, the Buffalo Bills player who collapsed at Monday's game? : NPR