What is commotio cordis, which NFL player Damar Hamlin says stopped his heart?
Damar Hamlin in their hearts, the NFL pays tribute to No. 3
Damar Hamlin tweets his thanks after he moves from Cincinnati to Buffalo hospital 7 days after collapse
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Damar Hamlin updates: NFL 2023, Buffalo Bills tribute, kickoff return, touchdown video
Vikings and Packers pay tribute to Damar Hamlin
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Hamlin in their hearts, the NFL pays tribute to No. 3 – The Denver Post
Buffalo Bills safety Damar Hamlin in critical condition after collapse on field