EXPLAINER: What happened to Damar Hamlin?
NFL Cancels Bills/Bengals Game; Meeting Will Discuss Playoff Changes – TVLine
Bills' Damar Hamlin in critical condition for cardiac arrest - Los Angeles Times
Bills S Damar Hamlin has cardiac arrest on field, NFL suspends game vs. Bengals
Bills-Bengals postponed after Buffalo's Damar Hamlin collapses – NBC Sports Boston
Damar Hamlin's toy drive receives millions in donations - Los Angeles Times
Buffalo Bills player Damar Hamlin suffered cardiac arrest on field, team says
Bills safety Hamlin in critical condition after cardiac arrest, game postponed
Buffalo safety Damar Hamlin collapses during game vs. Bengals, is in critical condition, NFL says; game postponed indefinitely
NFL won't resume Bills-Bengals this week, pauses in respect of Damar Hamlin
Damar Hamlin cardiac arrest: NFL addresses scary situation that resulted in Bills-Bengals 'MNF' postponement