Who is Damar Hamlin, the Buffalo Bills player who collapsed at Monday's game? : NPR
Bills Players Visit Damar Hamlin in Hospital After His Cardiac Arrest
Bills' Damar Hamlin remains in critical condition after cardiac arrest
Buffalo Bills player Damar Hamlin suffered cardiac arrest on field, team says
Bengals-Bills game suspended, Bills' Damar Hamlin in critical condition
Cardiac arrest causes: What led to Buffalo Bills' Damar Hamlin's collapse?
Damar Hamlin in critical condition after suffering cardiac arrest; Bills-Bengals postponed - ESPN
Damar Hamlin's collapse highlights importance of bystanders learning CPR - ABC News
Buffalo Bills safety Damar Hamlin hospitalized after suffering cardiac arrest on the football field