Roman Abramovich, the former owner of Chelsea FC, played a critical role in securing the club's entry into the FIFA Club World Cup by ensuring their participation through success in the Champions League. This ended up being a significant financial boon for the club, amounting to £96 million, which current manager Liam Rosenior aims to utilize effectively for the team's future developments. Abramovich's ownership was marked by extensive success, transforming Chelsea into a powerhouse in European football. However, his departure due to sanctions imposed by the UK Government in 2022 over alleged links to the Kremlin has left an indelible mark on the club. Despite the controversies surrounding his ownership, the financial implications of his decisions remain hugely beneficial to the current Chelsea setup. As Rosenior navigates through the challenges of modern football management, he is now tasked with not only nurturing the existing talents but also wisely allocating the benefits derived from Abramovich's foresight. This legacy may play a pivotal role in shaping Chelsea's competitiveness in future tournaments and their overall financial health, as the club continues to evolve in a rapidly changing football landscape.