Jon Wertheim: Serena, Roddick draw fans' ire

As the U.S. Open draws near, former champions Andy Roddick and Serena Williams continue to draw fans' ire. Jon Wertheim explains why in the last pre-tournament Mailbag.

Source: http://rss.cnn.com/~r/rss/si_tennis/~3/Btwkz5jkySs/index.html

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