Rules on Mixed martial arts competition for children vary. In most U.S. states, there is no central organization in charge of children competing in mixed martial arts also known as Pankration (MMA). In some states it is even a misdemeanor to hold these competitions. Missouri and California are the only two states that have official rules, regulations and recognized bouts for children. The non profit , United States Fight League /, is the delegated organization to oversee and administer the rules and regulations for the sport.