World Series of Boxing Like professional boxing, each bout is decided by the scores of three judges or, in some cases, by a knockout, technical knockout or walk-over. A WSB meet between two international franchises consists of bouts in ten (formerly five) weight categories. There are five three-minute rounds in each bout and the team that wins the most number of bouts wins the meet. Until season 4, there were five weight categories which were different than 10 categories in amateur (Olympic) boxing or 17 categories in professional boxing. These were Heavyweight (91+ kg), Light heavyweight (80–85 kg), Middleweight (68–73 kg), Lightweight (57–61 kg)
The distance (boxing) for men. In the early days of bare-knuckle boxing, there was no limit on the number of rounds and so matches would be fought to a conclusion (i.e. with a knockout or tap out). For example, the match between Simon Byrne and James 'Deaf' Burke in 1833 lasted 3¼ hours. Subsequently, laws and rules were passed to prevent such protracted bouts. When John L. Sullivan made boxing under Queensbury rules with gloved hands popular, his matches were of a pre-determined length and the referee would decide the winner if they went the distance. If a match reached the prescribed limit