What happened to Damar Hamlin? Here's what we know about the Buffalo Bills player's cardiac arrest - CBS News
Bills' Damar Hamlin's cardiac arrest adds to NFL injury reality
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Life and death on the gridiron
30) Damar Hamlin's mom was at the game Monday night between the Bills and Bengals, family friend says
Buffalo Bills' Damar Hamlin in critical condition after suffering cardiac arrest
NFL community unites in support of Damar Hamlin
Buffalo Bills player Damar Hamlin suffered cardiac arrest on field, team says
The B-Gap: Damar Hamlin's collapse a reminder that sports cannot escape reality
Questions about player safety emerge after Damar Hamlin injury
Cardiac arrest causes: What led to Buffalo Bills' Damar Hamlin's collapse?