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
Boxing in Japan a member of each regional subsidiary body of Japan Pro Boxing Association under the Japan's conventional gym system. Two professional boxers belonging to the same gym have not been allowed to fight against each other unless one of them transfers to other gym, because it might disrupt the gym system. However, it is often quite difficult for boxers to transfer between the gyms due to the matters on transfer fees, match fees and so on. The JBC set up the Japanese heavyweight title once in 1957, but that division did not last long because there were few heavyweight boxers in