Shanghai, China (SportsNetwork.com) - Reigning champion Novak Djokovic and former runners-up Rafael Nadal and Roger Federer led the charge into the third round at the $3.85 million Shanghai Masters tennis event. The top-seeded world No. 2 Djokovic drubbed helpless Spaniard Marcel Granollers 6-2, 6-0, while the second-seeded world No. 1 Nadal whipped Ukrainian Alexandr Dolgopolov 6-3, 6-2 and the fifth-seeded former No. 1 and 2010 Shanghai finalist Federer...