Book excerpt: Sport: Law and Practice, Fourth Edition is the leading legal title covering sports law and practice in the UK, and at the Court of Arbitration for Sport. It serves both as a comprehensive statement of applicable law and precedent, and as a very practical guide to circumnavigating a complex sector. The new edition retains and updates all of the key chapters from previous editions, including the extended sections on challenges to the actions of sports governing bodies, and on anti-doping regulation and enforcement (with an introduction to the new 2021 World Anti-Doping Code). There are important updates to the chapters on Regulating Financial Fair Play, Misconduct, Safeguarding in Sport, the Court of Arbitration for Sport, and Media Rights and Sport. The Fourth Edition also adds brand new chapters dealing with: -Effective sports regulation (including the first ever comprehensive discussions of the 'general principles of law' applied by CAS panels in determining challenges to sports regulations, as well as of the principles of interpretation of sports regulations). -Best practice in sports governance (describing developments such as the strengthening of the competence and independence of boards and the emergence of independent integrity units). -Data protection law and sport (including discussion of the provisions of the Data Protection Act 2018 that facilitate the sharing of personal data by sports bodies for integrity-related purposes). -Exploiting commercially valuable sports data (explaining how sports rights-holders can fashion commercial agreements to meet the demand for sports data from the betting industry and others). -ESports (the first comprehensive treatment of the legal and practical principles underlying the regulation and commercial exploitation of the increasingly important ESports sector). Readers will also benefit from practice tips, precedent clauses, detailed explanations of key practical issues, and step-by-step analysis. This is an essential title for all sports law practitioners (solicitors and barristers, common law and civil lawyers), sports governing bodies, event organisers, clubs, participants, sports agencies and commercial partners, arbitrators, universities, and students.