John McEnroe slammed for ‘completely disrespectful’ comments after Novak Djokovic’s US Open defeat

TENNIS fans have slammed John McEnroe for his comments following Mariano Navone's shock win over Novak Djokovic. Navone, 25, ground out a five-set victory over Djokovic at the US Open on Sunday, with the Serb throwing up into a bin before getting emotional during the deciding set. Spectators were stunned after Djokovic lost a first-round...