Roger Federer is 39-2 since losing at the 2011 U.S. Open to Novak Djokovic. Federer may or may not win another major. He may or may not reach the No. 1 summit again. But his play since that devastating loss to Novak Djokovic at the 2011 U.S. Open -- he's 39-2 since then -- says a great deal about his character, his pride and how far he is from a serious decline.