Joao Fonseca did something only on Friday that one other player has ever done: Come from two sets down to defeat Novak Djokovic. The Brazilian sensation looked out of answers in the first two sets against the 24-time Grand Slam champion, but he turned the tide with a clinical third set and built on the momentum en route to a 4-6, 4-6, 6-3, 7-5, 7-5 victory. Fonseca is now the fourth favorite to win the French Open . French Open: Fonseca vs. Paul pick Grand Slam tennis is a funny business. While