Damar Hamlin, former Pitt and Central Catholic star, in critical condition after going into cardiac arrest during Bills-Bengals game
What Happened to Damar Hamlin? What We Know After Bills Player Collapses, Suffers Cardiac Arrest On Field – NBC Chicago
Bills' Damar Hamlin remains in critical condition after cardiac arrest
Uncle says Damar Hamlin still 'fighting,' family grateful for support - ESPN
Players around NFL say Hamlin's injury wasn't Higgins' fault
Bills safety Damar Hamlin returns to action in first regular-season game since cardiac arrest
Bills S Damar Hamlin has cardiac arrest on field, NFL suspends game vs. Bengals
NFL Cancels Bills-Bengals Game Following Damar Hamlin Injury
Damar Hamlin's cardiac arrest during 'Monday Night Football' could be commotio cordis or a more common condition – a heart doctor answers 4 questions
Uncle: Hamlin needed his heart restarted twice after cardiac arrest during NFL game
Damar Hamlin's collapse is the latest in history of medical emergencies in sports - ABC News
Bills safety Damar Hamlin in critical condition after collapse during game