#1 Mateu Morey
Mateu Morey was one of Spain's best players in the UEFA U-17 Euro Championships and in the FIFA U-17 World Cup, which was played earlier this year. The 17-year-old wonderkid is considered as one of the best young right backs in the world.
It was reported that Morey was all set to leave Barcelona for Bayern Munich in June this year, but the talented full-back decided to continue at Barça, which gave some respite to the Catalan club who have lost a bunch of talented La Masia players in recent years.
Barça wouldn't let Morey walk out just like that, as the 17-year-old is arguably their best prospect right now.
With his attacking prowess, Morey is known for making ambushing runs on the right flank, but the 17-year-old is equally as good when it comes to defending.