Spain's Rafael Nadal covers his face with a towel during a break of his tennis match against Italy's Paolo Lorenzi at the ATP Argentina Open in Buenos Aires, February 12, 2016. REUTERS/Marcos ... more 
Spain's Rafael Nadal covers his face with a towel during a break of his tennis match against Italy's Paolo Lorenzi at the ATP Argentina Open in Buenos Aires, February 12, 2016. REUTERS/Marcos Brindicci less 
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Reuters | Photo By MARCOS BRINDICCI / REUTERS
Fri, Feb 12, 2016 4:54 PM EST