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MADRID, SPAIN - MAY 10: Fernando Verdasco of Spain kisses the blue clay having beaten Rafael Nadal of Spain in the 4th round of the Mutua Madrilena Madrid Open at the Caja Magica on May 10, 2012 in Madrid, Spain. (Photo by Mike Hewitt/Getty Images)

MADRID, SPAIN - MAY 10:  Fernando Verdasco of Spain kisses the blue clay having beaten Rafael Nadal of Spain in the 4th round of the Mutua Madrilena Madrid Open at the Caja Magica on May 10, 2012 in Madrid, Spain.  (Photo by Mike Hewitt/Getty Images)