Dwight Clark dies from ALS at age 61 - Obituary
Murph: Even in death, Dwight Clark showed us how to live – KNBR
49ers great Dwight Clark upbeat but acknowledges reality of ALS – East Bay Times
Former San Francisco 49ers great Dwight Clark dies at 61 after battling ALS - ESPN
Dwight Clark dead: 49ers legend passed away at 61 from ALS - Sports Illustrated
Former 49ers wide receiver Dwight Clark dead at 61
Dwight Clark remembered by San Francisco 49ers for 'great culture' he helped establish - ESPN
Former 49ers wide receiver Dwight Clark dead at 61
Dwight Clark 1957-2018: Former 49ers wide receiver who made famous catch had ALS
At least a dozen NFL players have suffered from ALS