Kevin McBride McBride's career-defining performance was a victory over Mike Tyson, former undisputed world heavyweight champion, via a 6th-round TKO on 11 June 2005 when Tyson quit the fight by informing the referee that he would not be able to continue to round Seven in the MCI Center in Washington, D.C. The aged Tyson explained in a post fight interview that his heart wasn't into the sport any more. Tyson announced his retirement after the bout, saying "I'm not going to disrespect the sport anymore by losing to this caliber of fighter". McBride has suffered six losses by knockout—including twice against fighters
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