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
IWA Undisputed World Heavyweight Championship from both companies and Rodríguez's expulsion from the event. After the event's conclusion police officers were deployed and the IWA retained physical possession of the championship. Following this the belt was returned to WWC personnel following an ultimatum, which claimed that the company would take legal action if it wasn't returned within forty-eight hours. However, both the International Wrestling Association and the National Wrestling Alliance recognized the unification match, and considered Lozada the first Undisputed World Heavyweight Champion in Puerto Rico. Beginning in 2009, the IWA Undisputed World Unified Heavyweight Championship began becoming involved in several inter-promotional "champion vs. champion"