Sports
Photos: Unseeded player upsets Serena Williams
Roberta Vinci beat top seed Serena Williams in a huge upset in a U.S. Open semifinal on Sept. 11, 2015.
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Serena Williams reacts after losing a point Roberta Vinci during a semifinal match at the U.S. Open tennis tournament, Friday, Sept. 11, 2015. In one of the most significant upsets in the history of tennis, Williams lost  2-6, 6-4, 6-4 to the 43rd-ranked Vinci of Italy. (AP Photo/David Goldman)
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