Željko Mavrović is a Croatian former professional boxer who competed from 1993 to 1998. In 1998, as an undefeated challenger, he faced Lennox Lewis for the WBC heavyweight title, but lost in what would be his final fight. After retiring from boxing, Mavrović became an entrepreneur. Željko Mavrović was the first vegetarian in the history of world boxing who fought for the title of world champion.

Lennox Claudius Lewis is a boxing commentator and former professional boxer who competed from 1989 to 2003. He is a three-time world heavyweight champion, a two-time lineal champion, and the last heavyweight to hold the undisputed championship. Holding dual British and Canadian citizenship, Lewis represented Canada as an amateur at the 1984 and 1988 Olympics; in the latter, he won a gold medal in the super-heavyweight division.