2) Mateo Musacchio (Villareal)
This 23-year-old Argentine international has been in impressive form since forcing his way into the Villareal starting line-up in 2010, helping lead the team back into La Liga at the first attempt. He made his international debut in May 2011 at the age of 20, although he failed to make the squad for the 2014 FIFA World Cup. A ball player defender who likes to play short passes, he is only let down by his aerial ability, which has seen him found out on several occasions.
