International Boxing Union (since 1996) World Super Middleweight title fights of Scott "The Sandman" Pemberton and Omar Sheika that became ESPN2's "Fight of the Year" in 2003 and 2004. On 7 April 2012, 7-time multiple weight class World Champion James Toney captured the vacant IBU World Heavyweight championship with a TKO over World Heavyweight Bare Knuckle Championship Holder Bobby Gunn. International Boxing Union (since 1996) The International Boxing Union (IBU) is a professional boxing sanctioning body founded in Atlanta, Georgia, United States, in 1996. It is unrelated to the International Boxing Union, based in Europe, which operated until the Second World War. Although the IBU
Undisputed champion types: the unified champion (two-titles holder in the weight division or category, obliged to defend the title against WBA's No. 1 contender in 18 months periodically), the undisputed champion (three-titles holder, mandatory defense against WBA's challenger in 21 months regularly) and the Super champion (four-titles holder, WBA's mandatory defense in 24 months periodically). The rules required only one unified/undisputed/Super champion per weight class and the purse in the bid would be distributed in a 65/35 ratio in favor of the unified champion. However, along with the changes to "Super" status (besided holding more than one title, the Super belts were