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
Professional boxing 1996. In their 1997 rematch, Tyson bit a chunk from Holyfield's ear, resulting in his disqualification; Tyson's boxing license was revoked by the Nevada State Athletic Commission for one year and he was fined US$3 million. Holyfield won two of the three title belts, but lost a final match in 1999 with WBC champion Lennox Lewis, who became undisputed champion. The last decade has witnessed a continued decline in the popularity of boxing in the United States, marked by a malaise in the heavyweight division and the increased competition in the Pay-Per-View market from MMA and its main promotion, the