World number six Andy Roddick pulled out of the $4.45 million Masters Cup on Wednesday because of a right ankle injury.
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Roddick pulls out of Masters Cup
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Chairman of Moldovan tennis federation injured
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Rafael Nadal withdraws from US Open
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Andy Roddick captures his first title of the season
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Andy Roddick will return to Legg Mason Tennis Classic
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Kim Clijsters pulls out of Wimbledon
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Monfils withdraws from Wimbledon due to injury
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Federer pulls out of Shanghai Masters to rest
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Roger Federer to withdraw from Indian Wells?
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Venus Williams forced to withdraw from Australian Open due to injury
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World No. 1 Novak Djokovic knocked out in second round of Madrid Masters
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Cristian Gonzales injured but still expected to play in the final
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Tiger Woods pulls out of US Open
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Frenchman Simon pulls out of Australian Open
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Andy Roddick to retire after the US Open
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Isner pulls out of French Open
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Maria Sharapova pulled out of Open Gaz de France.