Funny faces of professional tennis
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Credit: Getty Images
KEY BISCAYNE, FL - APRIL 01: Novak Djokovic of Serbia in action during the men's singles final against Andy Murray of Great Britain on day 14 of the Sony Ericsson Open at Crandon Park Tennis Center on April 1, 2012 in Key Biscayne, Florida. (Photo by Michael Regan/Getty Images)
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