With the development of professionalism in football, the figure of the intermediary has gained body and an increasing presence in activities involving the practice of sports. Especially with the extinction of the pass and the jurisprudence arising from the Bosman case by UEFA, there was an underlying growth of the transfer market and also the liberalization of the economic activity of the football player in its own and autonomous way, always linked to the athlete's sporting performance and its link to the club. Therefore, the ...