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Switzerland's Roger Federer returns the ball to France's Jo-Wilfried Tsonga during the final of the Paris Masters tennis tournament, November 13, 2011. REUTERS/Gonzalo Fuentes (FRANCE - Tags: SPORT TENNIS Stock Photo - Alamy
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Jo-Wilfried Tsonga of France hits a shot during his match againstKei Nishikori of Japan at the Shanghai Masters tennis tournament October 12, 2011. REUTERS/Aly Song (CHINA Photo Stock - Alamy
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