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Who would you take: the field or the big four? Yes, it's a laughable question, but perhaps, collectively, the outsiders can start chipping away at the dominance the same few players have had on the game.

David Ferrer and Stanislas Wawrinka play in the shadows of their illustrious countrymen, Rafael Nadal and Roger Federer. Are they finally ready to step out?

Things are going swimmingly for Roger Federer and Novak Djokovic -- but how long will that last?