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
Wochit Headline News - ▶ 00:30
Newsy Studio - ▶ 01:02
Sports Illustrated - ▶ 00:44