International Boxing Association (amateur) their teams and receive salaries. Matches are held in five different weight classes, boxers compete in five three-minute rounds, don't wear headgear and are bare-chested. The judging system is similar to professional boxing. However, boxers are still considered amateur, so they may compete in amateur competitions, such as Olympic Games. In August 2011, Olympic news outlet Around the Rings reported that the AIBA unanimously approved the creation of its own professional boxing brand in addition to WSB. "With AIBA Professional Boxing, the boxer from the very beginning knows what is going to happen to them and what is going to
Boxing respond that such a position is misguided opinion, stating that amateur boxing is scored solely according to total connecting blows with no award for "injury". They observe that many skilled professional boxers have had rewarding careers without inflicting injury on opponents by accumulating scoring blows and avoiding punches winning rounds scored 10-9 by the 10-point must system, and they note that there are many other sports where concussions are much more prevalent. In 2007, one study of amateur boxers showed that protective headgear did not prevent brain damage, and another found that amateur boxers faced a high risk of brain