Federico Bettuzzi, a Data Scientist at Chelsea FC, reveals the pivotal role of data analytics in the club's success. He discusses how match analytics inform tactical decisions and enhance team performance, especially ahead of the 2022 FIFA World Cup. Bettuzzi dives into the complexity of analyzing player contributions beyond traditional stats, balancing short and long-term projects, and using expected goals (XG) for real-time strategy adjustments. Listeners are treated to insights on the collaborative efforts between data experts and coaching staff, shaping matchday outcomes.