21. Matias Kranevitter (Atletico Madrid)
A largely unknown quantity, at least in terms of European football, defensive midfielder Matias Kranevitter has recently returned to Atletico Madrid after being loaned back to former club River Plate. The 22 year old seems set to feature in the plans of los Rojiblancos, having been assigned the number 8 upon his return. Although yet to score a professional goal - he is a defensive midfielder, after all - Kranevitter has already achieved big things given his age. He recently made his debut for the Argentina national team, starting in a 7-0 demolition of Bolivia.