We profile five of Celtic's biggest hopes for the future - Jack Aitchison, Aiden Nesbitt, Jamie McCart, Calvin Miller and Anthony Ralston.
Patrick Roberts has played four times for Celtic so far.
Celtic manager Ronny Deila has told Aiden Nesbitt to 'be ready' in case Stefan Johansen is sold.
The Celtic under-19 coach believes the important thing for the club is that their youngsters can see a path to the senior side.
Celtic's players are preparing for their first Europa League group match of the new season.
One of Celtic's young prospects has been saying the right things ahead of a potential debut.