Shanghai Masters 2013: Highlighting Top Dark-Horse Contenders

The 2013 Shanghai Masters is in full swing as the world's top two men's players, Novak Djokovic and Rafael Nadal, announced their arrival with dominating opening-round wins on Wednesday. Roger Federer also won his first match comfortably, inching one round closer to a potential quarterfinal tilt with defending tournament champion Djokovic. But while the three multiple-time Grand Slam champions might be the favorites to conquer the season's eighth Masters 1000 event, there are a handful of other...