Damar Hamlin's collapse is the latest in history of medical emergencies in sports - ABC News
Damar Hamlin cherished starting for the Buffalo Bills : NPR
Bills safety Damar Hamlin returns to action in first regular-season game since cardiac arrest, National Sports
Bills' Damar Hamlin takes next step in recovery by practicing fully 6 months since cardiac arrest
Explainer: What happened to Buffalo Bills safety Damar Hamlin?
Bills' Damar Hamlin in critical condition after collapsing on field, receiving CPR
Medical personnel discuss approach to Hamlin incident
Bills return to field after Damar Hamlin injury defies belief - Sports Illustrated
NFL community rallying around Damar Hamlin by donating to his toy drive - Buffalo Rumblings
OTA Observations: Damar Hamlin doing some drills