BALTIMORE (AP) — Ollie Matson was an Olympic sprinter, a Hall of Fame football player and a devout family man.

After scoring 63 touchdowns during a stellar 14-year NFL career, Matson struggled in retirement before dying in 2011 at age 80 of dementia complications.

He barely said a word during the final four years of his life.

Before that, in his 50s, Matson confused $100 bills with $10 bills, cleaned the family's four cars every day, and fired up the grill at 6:30 in the morning.

"At first we thought it was kind of funny because we didn't know it was because of all those concussions. Nobody kn...