Blind generosity: Bills Mafia raising money for visually impaired in honor of NFL referees
Damar Hamlin in critical condition after cardiac arrest during game
Donations pour in for Damar Hamlin's holiday toy drive after he collapsed during Monday Night Football game
Fans raise more than $4 million for Damar Hamlin's toy drive
Fans Give Millions To Damar Hamlin's Toy Drive For Kids
Bills Mafia pours donations into injured safety's foundation
Fans give millions to Damar Hamlin's toy drive for kids
Injury-thinned Bills sign cornerback Xavier Rhodes to practice squad
Damar Hamlin: Buffalo Bills safety showing 'remarkable improvement,' doctors say