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
Septuple champion Septuple champion In different sports when a sportsman wins seven crowns, titles, medals, belts or another distinctions is called a Septuple Champion. In boxing, a septuple champion is a boxer who has won world titles in seven different weight classes. Manny Pacquiao is the first boxer to win world titles in seven different weight divisions. Pacquiao clinched the feat when he defeated Miguel Cotto via TKO in 12th round and won the WBO Welterweight (147 lbs) title on November 14, 2009 at the MGM Grand Garden Arena. Five of his world championships came from the "Big Four" (WBA, WBC, IBF,