Denver Broncos inside linebacker Corey Nelson (52) tackles Los Angeles Chargers running back Austin Ekeler (30) during the second half of an NFL football game, Monday, Sept. 11, 2017, in Denver. (AP Photo/David Zalubowski)
Denver Broncos inside linebacker Corey Nelson (52) tackles Los Angeles Chargers running back Austin Ekeler (30) during the second half of an NFL football game, Monday, Sept. 11, 2017, in Denver. (AP Photo/David Zalubowski) David Zalubowski AP
Denver Broncos inside linebacker Corey Nelson (52) tackles Los Angeles Chargers running back Austin Ekeler (30) during the second half of an NFL football game, Monday, Sept. 11, 2017, in Denver. (AP Photo/David Zalubowski) David Zalubowski AP

How many aging football players must fall to dementia before we change the game?

September 15, 2017 5:00 AM

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