Buffalo Bills fans gather in support of player who collapsed on
Damar Hamlin: NFL player who collapsed mid-game after cardiac
Cardiac events like Damar Hamlin's aren't uncommon in athletes
Damar Hamlin: Heart Screenings May Not Have Prevented Collapse
Damar Hamlin 'suffered a cardiac arrest', remains in critical
Widow of NFL Player Who Died on Field 'Emotional' Over Damar Hamlin
NFL balances emotions, tight schedule after Hamlin shock
Why did Damar Hamlin collapse during the Bills-Bengals game
Family of Buffalo Bills' Hamlin, 24, thank 'dedicated first