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
Weight class (boxing) different class if there is space in the tournament. At major events such as boxing at the Olympics, there is a limit of one boxer per country per weight class. A boxer may fight different bouts at different weight classes. The trend for professionals is to move up to a higher class as they age. Winning titles at multiple weight classes to become a "multiple champion" is considered a major achievement. In amateur boxing, bouts are much shorter and much more frequent, and boxers fight at their "natural" weight. One boxer is said to be better "pound for pound" than