Sweetness And Light

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The Score On Sports With Frank Deford

Serena Williams of the United States celebrates after beating Flavia Pennetta of Italy during the quarterfinals of the U.S. Open tennis tournament in New York on Tuesday. Charles Krupa/AP hide caption

itoggle caption Charles Krupa/AP

High school players will experience more than 40,000 concussions this season. iStockphoto.com hide caption

itoggle caption iStockphoto.com