NEW YORK: Former world number one Maria Sharapova was ousted in the third round of the US Open on Saturday, with US teen giant-killer Melanie Oudin eliminating the three-time Grand Slam champion 3-6, 6-4, 7-5. Oudin, two weeks shy of her 18th birthday, will play for a berth in the quarter-finals against Russian 13th seed Nadia Petrova after her third upset of a top player in two Grand Slams. "I'm just so happy," the tearful teen said. "I just kept fighting as hard as I could. I tried as hard as I could. I just came in believing." The magical...