Madison Keys returns a volley to Maria Sharapova, of Russia, at the Western & Southern Open tennis tournament, Tuesday, Aug. 12, 2014, in Mason, Ohio. (AP Photo/Tom Uhlman)

Cincinnati Tennis

Madison Keys returns a volley to Maria Sharapova, of Russia, at the Western & Southern Open tennis tournament, Tuesday, Aug. 12, 2014, in Mason, Ohio. (AP Photo/Tom Uhlman)

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