21-year-old Australian tennis player Nick Kyrgios got into an argument with a fan and blatantly tanked a match

Koji Sasahara/AP Less than a week after winning the biggest event of his young career at the Japan Open, 21-year-old Australian tennis player Nick Kyrgios reverted to his maddeningly immature ways on Tuesday at the Shanghai Masters, not even pretending to try in a 48-minute loss to a qualifier.  In the first set against the German Mischa Zverev, Kyrgios quickly found himself down a break, 3-1. From there, he started dinking his serve over the net, making no effort on returns, and at one point w...