The reigning WBA, WBC, IBF and IBO middleweight champion is Kazakh boxer Gennady Golovkin. He held the WBC, WBA, and IBF titles. He publicly asked for a unification bout with then WBC and WBA Champion Ricardo Mayorga. This weight class is designated as cruiserweight by the WBA, WBC, and IBF. Lennox Lewis held the WBC, IBF, IBO and Lineal titles at the time. He also challenged once for the unified WBC and IBF lightweight titles in 1990. The fight was for the WBC, WBA Super and The Ring Magazine world title. His great uncle is former WBC middleweight champion Iran Barkley. The pair agreed to meet in a WBC/WBO unification rematch. This voluntary defense was Vitali's fourth defense of the WBC Heavyweight title. Stevenson retained his WBC and Lineal world titles. This was Stevenson's seventh defense of his WBC and Lineal light heavyweight titles. Elijah was known for being the son of former WBC heavyweight champion Oliver McCall. Lewis avenged the loss in a 1997 rematch to win back the vacant WBC title. The league is organised with the support of WBC and Professional Boxing Organisation India.