He secured a record
seventh French Open title in June
and has won a total of 11 Grand Slams, but missed the Olympics and the US Open. Last week he was cautious about rushing his comeback.
"I will only come back when I am fit. I won't come back worrying about my knee," he told Spanish radio station Onda Cero.
"The results will not worry me in the first tournaments back. We are in the last stage of the recovery and I want to recover as soon as possible but I will not rush back and then have to stop again in six months or a year's time."
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