Claim: Yoshiaki Numata is a former world Junior Lightweight boxing champion which is considered a combat sport.
Evidence: Yoshiaki Numata (沼田 義明, Numata Yoshiaki, born April 19, 1945 in Hokkaidō, Japan) is a former world Junior Lightweight boxing champion. Boxing is a combat sport in which two people, usually wearing protective gloves, throw punches at each other for a predetermined amount of time in a boxing ring.