In 2009 Real Madrid paid £80m, a then record fee, to sign a ready-made superstar in an effort to keep pace with a Barcelona side that had won it all. In doing so, they sparked a rivalry like no other; Messi vs Ronaldo. The seasons that have followed have been truly spectacular, the battle for supremacy increasing in profile and intensity all the while. Their styles, personalities and footballing allegiances continue to divide opinion, but their dominance of the record books has now put one cla ...