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

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