Always a fan favorite at the United States Open, and the 2003 champion, Andy Roddick headed into retirement with a 6-7 (1), 7-6 (4), 6-2, 6-4 loss to Juan Martin del Potro... More than an hour after hitting one last shot as a professional tennis player, then delivering one last, voice-wavering speech to an adoring U.S. Open audience, Andy Roddick exited the locker room one last time.