Here's what happened after Damar Hamlin collapsed during the Bills-Bengals game : NPR
Damar Hamlin begins to awaken, moving hands and feet, doctors say - ESPN
Bills' Damar Hamlin in critical condition after collapse on field
Here's everything we know (and don't know) about Damar Hamlin's game-ending injury during Bills-Bengals
Buffalo Bills safety Damar Hamlin in critical condition after cardiac arrest, team says – WSB-TV Channel 2 - Atlanta
Bills' Hamlin in critical condition after collapse on field, game vs. Bengals called off indefinitely
Buffalo Bills Safety Damar Hamlin Remains in Critical Condition After Collision
Buffalo Bills player Damar Hamlin in critical condition; Monday Night Football postponed
Damar Hamlin: Buffalo Bills safety still in critical condition