"The Business of Professional Football" is a comprehensive guide that examines the evolution of football from a simple sporting activity to a significant economic phenomenon. The focus is on Spanish football and the role of public administration in legislation and regulation in this area. The book provides a detailed analysis of the legal framework and its practical implications for professional football. It highlights the complex relationships between the public sector and football, also known as 'the king sport', and offers valuable insights for legal professionals as well as for those interested in learning more about the challenges and developments in professional football. The clear structure and well-founded arguments make this work an important resource for anyone looking to engage with the financial and legal aspects of football.