Part I: Introduction, 1. Introduction: Sport, Brexit and the Regulatory Role of the European Union, 2. European (Dis-)Integration Theories, Brexit and Sport: A Double Disconnect and Tentative Remedies, Part II: Rules, 3. The End of Free Movement after Brexit: What Does this Mean for the English Game?, 4. Brexit, Sport and EU State Aid Law, 5. Sport, Employment Law and Brexit, 6. Sport and Brexit: Athletes' Sex and Gender Rights, Part III: Stakeholders, 7. Brexit and Social Dialogue in Sport, 8. Nationality-Based Restrictions in Football after Brexit: The Law, Politics and Economics, 9. You're Out! Brexit and Cricket, Part IV: Geography, 10. The Tripartite Agreement on the Transfer of Racehorses between the United Kingdom, the Republic of Ireland, and France: The Implications of Brexit, 11. Scottish Sport, Brexit and Cultural Relations, 12. Regulating the Labour Market for Professional Footballers: Post-Brexit Challenges for Swiss Football, 13. Brexit and Global Sport Power in Europe, Part V: Conclusion, 14. European Union Law and the Regulation of Sport in the United Kingdom after Brexit: The Mediative Effect of International Sports Regulations, 15. Conclusion: Sport Regulation between Brussels Effect and Brexit Dividend