In this Jan. 31, 2020 photo, James "Buster" Douglas, the former world heavyweight cha …

In this Jan. 31, 2020 photo, James "Buster" Douglas, the former world heavyweight cha ...

In this Jan. 31, 2020 photo, James "Buster" Douglas, the former world heavyweight champion, sits at the Thompson Community Center in Columbus, Ohio, where he teaches youth boxing. In one of the more spectacular upsets in sports history, Douglas defeated Mike Tyson, the reigning world heavyweight champion on Feb. 11, 1990, in Tokyo. (AP Photo/Julie Carr Smyth)