Djokovic quits due to shoulder, run ends (AP)

Novak Djokovic's remarkable winning streak ended with a grimace, one that puts a new spin on the U.S. Open. The world's top-ranked player was forced to retire in the second set Sunday because of a sore right shoulder, giving Andy Murray the championship at the Western & Southern Open. It was the Serb's first bad moment in his 57-2 season.

Source: http://us.rd.yahoo.com/sports/rss/top/SIG=11rdgu2lo/*http%3A//sports.yahoo.com/ten/news?slug=ap-cincinnati-men

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