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
World Boxing Association A WBA champion may be promoted to "Super Champion" without winning another organization's title: Chris John, Floyd Mayweather Jr., and Anselmo Moreno are examples. The WBA will also promote their titlist to a "Super" champion when he successfully defends his title five times. As of 2017, the WBA continues to issue Regular titles, despite having previously stated that they would seek to reduce their number of titles to one per weight class. As of 23, 2019. World Boxing Association The World Boxing Association (WBA), formerly known as the National Boxing Association (NBA) is the oldest and one of four major