EXPLAINER: What happened to Damar Hamlin?
Family representative says Hamlin's recovery is moving in positive direction
Bills' Damar Hamlin, Stars' Rich Peverley and other medical incidents that stopped play
NFL Won't Resume Bills-Bengals Game After Damar Hamlin Cardiac Arrest - TheWrap
What happened to Damar Hamlin?
NFL will not resume Bills-Bengals game, league says
EXPLAINER: What Bills-Bengals cancellation does to playoffs
NFL Cancels Bills-Bengals Game Following Damar Hamlin Injury
Fans, NFL respond after Bills' Hamlin collapses on field