Chelsea’s transfer policy is highly admirable. The Premier League champions manage to sell their unwanted players for a high transfer fee and use the money effectively in buying other targets as per the demand of their manager.
It is the youth system that has come under certain scrutiny. Rather it is still a work in progress. Chelsea usually buy top young talents across the world and send them on loan immediately or keep them in the reserves. In most cases, these players do not get to represent the club at the senior levels - they are eventually sold out for a higher profit.