Yuriorkis Gamboa Toledano is a Cuban professional boxer. He is a former unified featherweight world champion, having held the WBA (Regular) and IBF titles between 2009 and 2011, as well as the WBA interim championship in both the super featherweight and lightweight divisions. As an amateur, he won a gold medal in the flyweight division at the 2004 Olympics, and a bronze in the featherweight division at the 2005 World Championships.

Emanuel "Manny" Steward was an American boxer, trainer, and commentator for HBO Boxing. He was also called the Godfather of Detroit Boxing. Steward trained 41 world champion fighters throughout his career, most notably Thomas Hearns, through the famous Kronk Gym and later heavyweights Lennox Lewis and Wladimir Klitschko. Emanuel trained over two dozen boxers who turned out to be champions in the course of his career. His heavyweight fighters had a combined record of 34–2–1 in title fights. He was an inductee of the International Boxing Hall Of Fame, and the World Boxing Hall of Fame. Steward was also known for his charity work in Detroit, Michigan, helping youth to attain an education.