Quintuple champion title. He moved down in weight to net the Middleweight (160 lbs) crown and finally moved back in weight up to Super Middleweight (168 lbs) to become the first Quintuple Champion in the history of boxing. Since then some boxers have won six titles and become the Sextuple champions. Quintuple champion In different sports an athlete who wins five crowns, titles, medals, belts, or other distinctions is called a Quintuple Champion. In boxing, a quintuple champion is a boxer who has won world titles in at least five different weight classes. The first man in boxing to earn this distinction
Undisputed championship Olympic Auditorium World Heavyweight Championship. In light of having unified three of the major world heavyweight championships of his time (as well as numerous other lesser-prestige titles) and defeating the reigning AWA World Heavyweight Champion in a non-title match (a major title that was abandoned soon after), Thesz became the Undisputed Champion for some time. From that point onward, the National Wrestling Alliance World Heavyweight Championship (the championship belt that Thesz opted to keep as the designation of all the championships he had won) became the undisputed world heavyweight title for all contenders to seek. This, however, would change over