Undisputed champion he was still described as "undisputed champion" by some reports. After Joe Calzaghe's super middleweight victory over Mikkel Kessler in November 2007, he was frequently described as "undisputed champion". Others disputed this, because although he held the WBA, WBC, and WBO belts, he vacated his IBF title in November 2006 rather than face a mandatory challenger, and immediately vacated other titles as well. The unified champion is defined as a boxer that holds at least two world championships of major sanctioning bodies (WBA, WBC, WBO or IBF) in their respective division. Around 2004, the World Boxing Association recognized three different
George Foreman's KO Boxing differ greatly from the other releases and were based on the Master System version of "James Buster Douglas Knockout Boxing". In the 16-bit and Nintendo 8-bit versions, the player assumes the role of George Foreman, who, at 43 years old, is pursuing a quest to become the undisputed heavyweight champion of the world by uniting the title belts of three fictional boxing circuits. Gameplay is very similar to "Punch-Out!!": players are given the option to block the opponent's attempted punches, evade in two different directions, and throwing a wide variety of punches. Victory in a match can be won by