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Germany's Michael Berrer returns a ball during a quarter final match against Argentina's Agustin Calleri at the Mercedes Cup tennis tournament in Stuttgart, southern Germany, on Friday, July 11, 2008. (AP Photo/Daniel
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Michael Berrer of Germany returns the ball to Michal Przysiezny of Poland at the US Open tennis tournament in New York, Wednesday, Aug. 29, 2007. (AP Photo/Elise Amendola Stock Photo - Alamy
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