Who will protest Rafael Nadal?

Top seeded player Rafael Nadal is continuously playing well. Getting victory has become a common matter for him. So, fans of him never become surprised if they see their favorite player winning the match. Recently, they have got a triumph against his countryman David Ferrer by 6-2, 7-5. It was his fifth straight Barcelona title. However, it should be tough to find someone who can stop him. There are three best options those who can play against him and make some protest. They are - Roger Federer, Novak Djokovic and Andy Murray.

Roger Federer is not in his prime form. It is said that he has lost his control over tennis court. He lost his place to Nadal. Novak Djokovic and Andy Murray are young stars. So, anyone can protest Nadal between them. Who do you think will be the next top seeded player?