Midfielder Idris El Mizouni has put pen to paper on the professional contract TWTD revealed he had been offered last month.
The Tunisian U23 international, who has enjoyed a very impressive start to the campaign in the U18s and U23s, has put pen to paper on a deal which runs to 2021 with the club having an option for a further year.
France-born El Mizouni, 18, joined the Blues academy as a full-time scholar in the summer of 2016.
Meanwhile, U18s midfielder Ryley Scott has had his loan with Bury Town extended for a further month until 26th January.