Spanish tennis star Rafael Nadal said on Thursday that he is a "completely clean guy" and denied having used performance-enhancing drugs.
The 29-year-old was asked about his reaction to Russian tennis star Maria Sharapova's failed drug test and he took the opportunity to explain speculation about him.
"I am a completely clean guy. I have never had the temptation of doing something wrong," Nadal was quoted as saying by the BBC on Thursday.
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"I believe in the sport and the values of the sport. It is an example for the kids and if I am doing something that goes against that, I will be lying to myself, not lying to my opponents."
Nadal has never failed a drug test but has been the subject of speculation that he dopes.
Nadal also said that Sharapova who tested positive for Meldonium a few days back deserves punishment.
"It is difficult to imagine that something like this can happen, but mistakes happen," he said.
"I want to believe it is a mistake for Maria. She didn't want to do it. But obviously, it is negligence. She must pay for it."
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