Ian Maatsen has signed a new contract with Chelsea.
Maatsen, who turns 18 today, has celebrated his birthday by signing a new, initial four-and-half year contract.
The deal also includes an option to extend the Dutch youngster's stay at Stamford Bridge by a further 12 months until 2025.
Maatsen joined Chelsea in 2018 from PSV Eindhoven and has made a big impression and rapid progress, earning his first-team debut this season in September's 7-1 Carabao Cup win against Grimsby.
Maatsen said: "Happy for myself and my family to be able to extend my contact today for this beautiful club Chelsea on my birthday. I want to thank everyone who has supported me all these years, to this day. The journey continues."