Impressing Ruben Amorim at just 14-years-old - Manchester United have the 'next Neymar'JJ Gabriel is one of the most exciting young talents to ever come through Man United's prestigious academy. ‌Gabriel is a rising star in Manchester United's academy. Some academy followers suggest he could be the best talent United's academy has ever seen. ‌View 4 Images Gabriel has been talismanic for the U18s - and he's just 14 years old. United know they have a special talent on their hands and recently introduced Gabriel to Ruben Amorim.