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
World Boxing Association titles in the same weight class as a "Super Champion", "Unified Champion", or "Undisputed Champion". This applies even if the WBA title is not one of the titles held by the "Undisputed Champion." In September 2008 for example, Nate Campbell was recognized as the WBA's "Undisputed Champion" at lightweight due to holding the WBO and IBF titles as well, while the WBA's "Regular" champion was Yusuke Kobori. If a fighter with multiple titles also holds the WBA's title, the fighter is promoted to "Super Champion" and the WBA title—which is then referred to as the "Regular" title—becomes vacant for competition