Former San Francisco 49ers executive Dwight Clark smiles during a news conference at the 49ers training camp in Santa Clara, Calif., Tuesday, Feb. 7, 1995. Clark played nine seasons as wide receiver for the 49ers from 1979-1987.

Former San Francisco 49ers executive Dwight Clark smiles during a news conference at the 49ers training camp in Santa Clara, Calif., Tuesday, Feb. 7, 1995. Clark played nine seasons as wide receiver for the 49ers from 1979-1987.

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Former 49ers Great Dwight Clark Diagnosed With ALS

Dwight Clark, the former San Francisco 49ers wide receiver known for hauling in "The Catch" from Joe Montana to secure a win over the Dallas Cowboys in the 1981 NFC Championship Game, revealed Sunday he has been diagnosed with amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease.