Madrid: La Liga leaders Real Madrid face one of their toughest tests since embarking on a 22-game winning streak back in September when they start 2015 with a trip to Valencia on Sunday.


Valencia's Enzo Perez 

Valencia sit fourth, a solitary point above Sevilla, Villarreal and Malaga, but demonstrated their financial advantage over other after Singaporean businessman Peter Lim's recent acquisition of the club splashing out 25 million euros on Argentine medio Enzo Perez this week.