In this Tuesday, Feb. 4, 2020 photo, James "Buster" Douglas, the former world heavyweight champion, works with a student 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)