As a result of professional sports and all kinds of sports activities becoming widespread, commercialized and gaining importance in social life, disputes have increased and the a need emerged to regulate this area of law. Sports law regulates the relations of real and legal persons in sports, determines the rights and responsibilities of athletes, trainers, referees, managers, fans and clubs; i.e., aims the uneventful management of sports activities. In case of any problem, the resolution of the disputes and sanctions lies in the field of sports law. Sports ethics not only expresses fair and honest play, but also draws the framework of the rules to be followed in sports activities. Sports ethics, in fact, is closely related to everyone involved in this activity. Sports injuries can be the fault of the sports club or the opponent, and it is important to reveal the fault for determining the compensation of the damage and to whom the penal sanction will be directed. Again, the damage suffered by athletes due to a repetitive reason or the conditions of the work may be in the status of an occupational disease, and in case of establishing an appropriate cause-effect link, compensation liability may arise. In our article, sports law, its resources, international structure, and sports in terms of ethics will be primarily evaluated, the legal definition of health problems of professional athletes and the responsibilities of natural or legal persons in such cases will be examined with their legal basis and case law.