Buffalo Bills' Damar Hamlin critical after collapse on field - WHYY
NFL: Damar Hamlin cleared to play again after cardiac arrest, American Football News
NFL player's cardiac arrest was a triggering, traumatic event for many
Bills safety Damar Hamlin released from Cincinnati hospital, returns to Buffalo
Buffalo Bills player Damar Hamlin is in critical condition after collapsing in a game - OPB
What Happened to Damar Hamlin? What We Know After Bills Player Collapses, Suffers Cardiac Arrest On Field – NBC Chicago
Bills safety Damar Hamlin returns to action in first regular-season game since cardiac arrest