Everyone loves watching a wonderkid come through the system and flourishing into a star.
In the Premier League, watching youngsters like Dele Alli, Leroy Sane, and Romelu Lukaku develop into superstars has been a joy - and many more will follow in their footsteps.
And over at the CIES Football Observatory, they have been monitoring 22 European competitions and have created a capital experience score - out of five stars - which can help rate the chances of current starlets becoming a success.
But who made the top 28, which is those who were rated four stars and above?