NEW YORK, NY - AUGUST 25: Mirjana Lucic-Baroni of Croatia returns a shot against Garbine Muguruza of Spain during her women's singles first round match on Day One of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 25, 2014 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Streeter Lecka/Getty Images)
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