Originally Posted by Crisstti
Uhm, no, he doesn't have to. He has won plenty. Really, how long does it have to be without winning titles on a certain surface (despite very good results, BTW) to say that someone has to "prove himself" over again?.
He doesn't have to prove himself OVER again. But he certainly has to IMPROVE though, don't you think? Because other players are improving including Djokovic and Murray who are both younger than Nadal. Hence Nadal has to improve if he's going to keep up with these younger players who are improving their game and getting physically stronger each season.