Vinicius Junior (Real Madrid) - The Brazilian, 19, starred in El Clasico, scoring the opener and generally terrifying the Barcelona defence with his pace. Still much to improve in terms of end product, but his speed and trickery underlines why Madrid paid €45 million (Dh183m) for a 16-year-old winger with limited first-team experience. Proved it was an astute piece of business during his debut season. Made his Brazil debut, belatedly given injury, in September. AFP

Vinicius Junior, Erling Haaland and the teenagers tearing up world football - in pictures