International Boxing Federation Muaythai On April 28 2018, Youssef Boughanem from Belgium and Morocco became the first world champion as non-Thai kickboxer. In addition, he was the current WBC Muaythai world Middleweight champion. IBF Muaythai sanctions 17 weight division as same as boxing. This is different from WBC Muaythai as it sanctions 19 weight divisions. International Boxing Federation Muaythai International Boxing Federation Muaythai (or IBF Muaythai) is commissioned under the jurisdiction of the International Boxing Federation (IBF) as a non-profit organization to regulate, control and supervise professional Muay Thai events worldwide. The International Boxing Federation had "1st Annual Convention of IBF Muaythai" in Bangkok,
Undisputed championship championship unification. Gotch wrestled for several years before retiring as undisputed champion Other wrestlers who were recognized as the only major World Champion following Gotch's retirement were Earl Caddock, Joe Stecher, Ed "Strangler" Lewis, Stanislaus Zbyszko, and Wayne Munn. The championship became disputed in the late 1920s, and remained that way for over 20 years, when several major World Heavyweight Championships split from the primary title (namely, Boston's American Wrestling Association World Heavyweight Championship, the National Boxing Association (later, National Wrestling Association) World Championship of Wrestling, and the New York State Athletic Commission World Heavyweight Championship). Other governing bodies would