In professional sport in the United States, there are features inherent in this phenomenon

In professional sport in the United States, there are features inherent in this phenomenon: the focus on the development of those sports that bring or can bring commercial success; and the creation and maintenance of a highly competitive atmosphere at competitions; the formation of a sports elite in each sport; the existence of an effective and constantly improving social protection system for athletes; and the expansion of American professional sport to other countries of the world. Despite the process of professionalization of world sport, Olympic sport and professional commercial sport remain separate phenomena. The former exists and develops according to the laws of sport itself, with the goal of achieving truly record-breaking results, and remains a sphere of maximum human capabilities. Professional commercial sport functions and develops not only according to the laws of sports, but also "according to the laws of a kind of business organized on the "sports material". The main peculiarity of professional commercial sport is that it is both a sport and a business. Therefore, the subjects of commercial sport are in a situation where the first place is given to demonstrating spectacularly effective actions and the training process is subordinated to the solution of this problem. The specifics of professional commercial sport dictate differences according to such criteria as: the target settings of competition organizers and athletes; sources of funding; social functions; the subject of management; the conditions of sports activities; the level of sports achievements; the motivation of athletes, etc. These and other criteria allowed to divide modern sport into: mass, Olympic, commercial sport; recreational, competitive, spectacular sport; sport for all, organized, professional, mass, semi-professional, professional, amateur and professional, folk, amateur, professional. There are both different points of view and different terms ("big" sport, high-achievement sport, super-achievement sport, professional-commercial sport, etc.). The differences between professional commercial sport and top performance sport can be divided into two groups, conditionally designating the first as general differences, and the second as specific differences. Professional commercial sport is characterized by great diversity and versatility, which determine its functional qualities. These include: the development and demonstration of the highest physical and mental abilities and capacities of a person; the provision of a socially oriented program for young people; meeting the needs of the general public for public spectacles, communication and joint emotional experiences; the possibility of cohesion of certain social communities; opening up opportunities for the implementation of special activities of professional athletes; providing jobs for people involved in sport (coaches, psychologists, doctors, masseurs.