Boxing in the 1950s and Floyd Patterson emerged as the youngest heavyweight champion in history (coincidentally, he beat Moore for the title left vacant by Marciano). Patterson remained the youngest heavyweight champion in history until November 22, 1986, when a 20-year-old Mike Tyson defeated the 31-year-old WBC Heavyweight Champion Trevor Berbick by TKO in round 2. The dark side of boxing once again emerged: Jake LaMotta alleged at a hearing that he had thrown a fight with Billy Fox in exchange for a try at the world Middleweight title, and Jim Norris, an important promoter of the time, was associated with Blinky Palermo and
World Heavyweight Wrestling Championship (original version) while Joe Stecher is the youngest champion, winning at the age of 22 years, 103 days. The final reign was disputed between Ed Lewis and Edouard Carpentier and the latter was in his first and therefore only reign. All matches were held at house shows. Various promotions have been home to world heavyweight championships with origins that can also be traced back to the World Heavyweight Wrestling Championship. The National Wrestling Alliance World Heavyweight Championship assumed the original world championship's position as the preeminent wrestling championship, and claimed its lineage. Most of the following championships, all based in North America,