Jack Nayler, Head of Sports Science at Everton FC and with 10 years of experience at Chelsea, PSG, Real Madrid, Celtic and Everton, reflects on working with players at top football clubs. He emphasizes the importance of trusting players with an innate understanding of their bodies and the significance of communication and observation. Nayler also discusses the pressures faced by famous players and the role of ego in success. He explores the challenges faced by sports scientists at big clubs and the focus on winning games. Throughout, he highlights the dedication and professionalism of players like Ronaldo, Modric, and Ramos.