When Bills' Damar Hamlin collapsed, the NFL stopped and the nation watched - The Washington Post
Damar Hamlin timeline from injury to return to Bills
Examining football's health risks after Damar Hamlin's cardiac arrest on the field
Damar Hamlin's injury reminds of danger - Mississippi Today
Damar Hamlin collapse: Details of immediate response from players and coaches - Sports Illustrated
Bills to wear '3′ patches on jerseys at Sunday's game to honor Damar Hamlin
Damar Hamlin's Recovery From Cardiac Arrest
What Happened to Damar Hamlin of the Buffalo Bills? - Bloomberg
Damar Hamlin timeline from injury to return to Bills