Serbia's Novak Djokovic serves a ball to Switzerland's Roger Federer during the final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, Sunday, Nov. 8, 2009. AP Photo logo AP Photo 27 months ago

Serbia's Novak Djokovic serves a ball to Switzerland's Roger Federer during the final match at the Davidoff Swiss Indoors tennis tournament in Basel, Switzerland, Sunday, Nov. 8, 2009.