6) Ryan Gauld (Sporting Lisbon)
A Scottish teenager on the books at Portuguese club Sporting Lisbon, Ryan Gauld is a skillful winger compared with Lionel Messi and Gareth Bale.
5) Enes Unal (Manchester City)
An extremely prolific striker at youth level, Enes Unal has also been a first-teamer for Bursaspor since the age of 16 and looks a real coup for City.