Damar Hamlin is cleared to play football, 4 months after his on-field cardiac arrest
AP Source: Hamlin makes Bills' 53-man roster eight months after suffering cardiac arrest
Damar Hamlin honored at first Buffalo Bills game since his cardiac arrest
On His Way to the NFL, Damar Hamlin Was Determined to Give Back - The New York Times
Buffalo Bills to play first game since Damar Hamlin's collapse on WSPA
Bills safety Hamlin set to appear in first regular-season game since cardiac arrest
What is commotio cordis, which NFL player Damar Hamlin says stopped his heart?
Explainer: What Happened to Buffalo Bills Player Damar Hamlin?, Chicago News
Bills safety Damar Hamlin remains in critical condition after cardiac arrest on field - ABC News
Bills' Damar Hamlin plays in first game since January cardiac arrest
Damar Hamlin makes an early impact in returning to field in Bills' preseason game against Colts