Chelsea's academy continues to be a lucrative source of revenue, with player sales exceeding £250 million in the past three years. Armando Broja's recent transfer to Burnley adds to this impressive figure. The club's ability to develop and then sell homegrown talent has proven to be a significant financial boon, allowing them to reinvest in the first team and comply with financial regulations. This model highlights the success of Chelsea's youth development program in producing valuable assets for the transfer market.