Chelsea have made a significant move in the transfer market as they have signed a young midfielder from Lille for £22 million. The player, who has been playing at Lille since he was just 16 years old, is set to join the Blues and make his debut on Tuesday.

The signing of the player by Chelsea comes after a successful season with Lille, where he helped them reach the semi-finals of the Europa League. He is known for his technical ability and defensive prowess, which makes him an ideal fit for Chelsea's midfield.

The fee paid by Chelsea for the player is one of the highest ever paid for a teenager, and it shows that the club is willing to invest heavily in their future. The player will be hoping to impress under Frank Lampard, who took over as manager last week.

The signing of the player by Chelsea is also likely to boost the morale of the team, as they look to compete in all competitions this season. The player's arrival will provide the team with additional options in midfield and will help to strengthen the squad.

Overall, the signing of the player by Chelsea is a major coup for the club, and it is hoped that he will help the team achieve success in the coming seasons.