Professional sport has undergone a remarkable transformation in recent decades, driven largely (0) BY advances in technology and changes in the way competitions are organised. Athletes today have access to training methods and equipment that would have been unimaginable a generation 1, enabling them to push the boundaries of human performance further than ever before. The role played 2 sports science has been particularly significant, providing coaches and athletes with detailed data on everything from nutrition to recovery techniques. The commercialisation of sport has also had a profound effect, 3 broadcasting rights and sponsorship deals generating a significant proportion of revenue in many major leagues. This has brought enormous financial rewards for top athletes, but it has also raised questions about 4 the spirit of fair competition is being undermined by commercial interests. Smaller clubs often struggle to keep 5 with wealthier rivals, leading to concerns about the growing inequality within professional sport. 6 addition, the pressure to win at all costs has been linked to a rise in doping scandals and other forms of cheating. Governing bodies have responded by introducing stricter testing and harsher penalties, and 7 many believe that more needs to be done. Ensuring that sport remains fair and accessible to 8 is a challenge that cannot be ignored.