Bills player Damar Hamlin had to be resuscitated twice after collapsing from a cardiac arrest on the field, uncle tells CNN, Sports
Bills' Damar Hamlin in critical condition after collapsing on field, receiving CPR
What happened to Damar Hamlin? Explaining cardiac arrest causes
Damar Hamlin, NFL Player in Critical Condition, is Defying Odds
Damar Hamlin puts aside fear and practices in pads for the first time since cardiac arrest – KGET 17
Damar Hamlin reaches 'another milestone on the journey' after cardiac arrest: practicing in pads
Opinion: Has the Damar Hamlin incident changed people's views on football? - The San Diego Union-Tribune
Pray for Damar': Wave of public prayer follows Hamlin's collapse
Damar Hamlin, cardiac arrest and what it takes to boost the odds of survival : NPR
Damar Hamlin in Critical Condition After Cardiac Arrest on Field
NFL player Damar Hamlin in critical condition after suffering cardiac arrest