Throughout the last decade there have been two collosals that have dominated world football: Lionel Messi and Cristiano Ronaldo. Debate will forever rage about who was better. At the time of writing Lionel Messi is trying to engineer his departure from Barcelona. The Board must be thinking of all the things they can do to keep him. Now, imagine they thought of one thing that he has yet to complete in his long list of achievements: the chance to play with Cristiano Ronaldo. In this chal