Argentine tennis player Mariano Puerta celebrates after winning his match against Argentine Franco Squillari in the Mexican Open, February 26, in Mexico City. Puerta won 6-4 6-1. HR Stock Photo - Alamy
World number one player Andy Roddick (R) of the U.S. listens with compatriot Andre Agassi (L) and Roger Federer (C) from Switzerland to questions during a media conference in Melbourne January 13,
Mariano Puerta of Argentina hits a backhand return to number seven... Nachrichtenfoto - Getty Images
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Switzerland's Stanislas Wawrinka returns a backhand to [Argentina's Mariano Puerta] during their match in the third round of the French Open tennis tournament at the Roland Garros stadium May 28, 2005 Stock
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Argentina's Mariano Puerta returns the ball to compatriot Juan Ignacio Chela during their Petrobras Challenge tennis tournament semi final match on the Copacabana beach in Rio de Janeiro December 8, 2005. REUTERS/Bruno
Switzerland's Stanislas Wawrinka returns a forehand during his match against Germany's Andreas Beck at the Swiss Indoors ATP tennis tournament in Basel October 20, 2008. REUTERS/Christian Hartmann (SWITZERLAND Stock Photo - Alamy
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Spain's Rafael Nadal reacts after winning his men's final match against [Argentina's Mariano Puerta] in the