Watch Lionel Messi Prepare for Barcelona's Recent El Clásico Win Against Real Madrid

Real Madrid and Barcelona are among the richest and most successful soccer clubs in the world, and were recently ranked as two of the world's most valuable sports teams. Whenever these two fierce rivals meet, the match is given a name -- El Clásico. Adding to the spectacle, Barcelona and Real Madrid also respectively employ two of the best active players in their squad, Lionel Messi and Cristiano Ronaldo, both of whom have now embodied the rivalry. During yesterday's El Clásico at Camp Nou, FC...