EXPLAINER: What happened to Damar Hamlin?
What may have caused Buffalo Bills' Damar Hamlin to go into cardiac arrest? A local cardiologist explains
Damar Hamlin update: Bills player in ICU with 'signs of improvement'
Bills return to field after Damar Hamlin injury defies belief - Sports Illustrated
Damar Hamlin Nearly Died on the Job. Too Many Workers Face Similar Threats.
Examining football's health risks after Damar Hamlin's cardiac arrest on the field
What happened to NFL player Damar Hamlin, who collapsed on the field after suffering cardiac arrest
Damar Hamlin toy drive gets $1M in donations after Bills safety suffers injury
Bills' Damar Hamlin, Stars' Rich Peverley and other medical incidents that stopped play