Lionel Messi and Wayne Rooney both wear a No. 10 jersey -- Messi's is adidas, Rooney's is Nike -- and are, no doubt, the two best players in the world, (although Cristiano Ronaldo and Didier Drogba aren't far behind). Their statistics almost are identical, and their value to their clubs and national teams is unparalleled. The question is, who's better?