A raft of young players are following Tiemoue Bakayoko out of Chelsea at the end of the month.
Chelsea have announced 13 players will be allowed to leave when their deals expire.
Dujon Sterling, who has already signed for Rangers, and Nathan Baxter have left.
Teenagers Derrick Abu, Prince Adegoke and Silko Thomas were let go.
Juan Castillo, 23, was the oldest of the players released asides from Bakayoko, Baxter, and Sterling.
Bryan Fiabema, Joe Haigh, Henry Lawrence, Ethan Wady, Jayden Wareham and Sam McClelland have all also left the club.