Sports Shorts: Nadal loses on return; Serena, Cilic advance in China

Rafael Nadal of Spain returns a shot. Photograph: Matthew Stockman/Getty Images US Open champions Marin Cilic and Serena Williams kicked off their China Open campaigns with straight sets......

Rossi knocked unconscious in race crash

Italian great Valentino Rossi was knocked unconscious in a MotoGP crash in Spain on Sunday and was taken to hospital for precautionary checks that ruled out serious injury. The 35-year-old Yamaha......