San Francisco 49ers offensive lineman Thomas Herrion , who died Saturday in the locker room after his team 's game in Denver , had a family history of heart ailments , but medical experts could not definitively say those problems contributed to his death .
Thomas Herrion /people/deceased_person/place_of_death Denver
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Thomas Herrion
PERSON
Denver
LOCATION
/people/deceased_person/place_of_death