BBC Sport - I am a completely clean guy - Rafael Nadal

I am a completely clean guy - Nadal

Rafael Nadal denies ever using a banned substance and says he is "completely clean" and that he has "never had the temptation to do anything wrong." He also says that Maria Sharapova "must pay" after she failed a drugs test at the Australian Open.

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WATCH MORE: 'Sharapova reckless beyond description'

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