Dwight Clark revealed Sunday that he has Lou Gehrig's disease and suspects playing football might have caused the illness.
Clark announced on Twitter that he has amyotrophic lateral sclerosis, a disease that attacks cells that control muscles. The former San Francisco 49ers wide receiver linked...
San Francisco 49ers great Dwight Clark says he has ALS, suspects football a cause
Monday, 20 March 2017 (1 week ago)
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