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)
World Series of Boxing and Bantamweight (50–54 kg). In the fourth season (2013–14), the number of weight classes was increased to ten, and they are same as in amateur (Olympic) boxing. Teams played in the WSB: All WSB Live shows are distributed worldwide by Fighting Spirit. World Series of Boxing The World Series of Boxing or WSB is an international boxing tournament that allows amateur boxers to compete professionally while maintaining amateur status and Olympic eligibility. It is organised by AIBA. Unlike amateur boxing, competitors taking part in sanctioned World Series of Boxing bouts must be bare-chested and are not permitted to wear protective