After Damar Hamlin's collapse, CPR may have saved him., Entertainment/Life
Monday Night Football postponed after Bills' Damar Hamlin collapses, requires CPR on field
What is commotio cordis? It could have caused Damar Hamlin to collapse : NPR
Damar Hamlin in critical condition after collapse at Cincinnati game
Bills' Hamlin in critical condition after collapse on field
Buffalo Bills' Hamlin Collapses On Field, Gets CPR; Game Suspended
Buffalo Bills' Damar Hamlin in 'critical condition' after collapsing on Monday Night Football
What Happened to Damar Hamlin? What We Know After Bills Player Collapses, Suffers Cardiac Arrest On Field – NBC Chicago
A timeline of the NFL's response after Damar Hamlin collapsed