Yeah he is extremly young and you can never tell how good someone will be until they get to their late teens/early 20's, but the signs are good. He as shown to have the ability to handle the pressure of being promoted up a level such that he was one of the best performers, for a 15 year old, that level of mental strength is extrodinary. If he keeps developing at this pace, he may be in the first team within 2 or 3 years.