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ATP

Novak Djokovic of Serbia lifts the trophy as he celebrates victory after his men's singles final match against Roger Federer of Switzerland during day eight of the ATP World Tour Finals at O2 Arena on November 12, 2012 in London, England. (credit: Michael Regan/Getty Images)

Djokovic Tops Federer In ATP Finals

Reigning two-time year-end No. 1 Novak Djokovic defeated six-time event champion Roger Federer in Monday’s marquee finale at the season-ending ATP World Tour Finals.

11/13/2012