Midfielder Clinton Mola has left Chelsea to join German side Stuttgart.
The 18-year-old has signed a contract until 2024 with the 2. Bundesliga club, the country's second tier.
Mola, who joined Chelsea as a 14-yer-old, has also represented England at youth level.
The teenager said: "I'm happy to be joining VfB and I'm really looking forward to the future at this big club."