Count Novak Djokovic as being in Danielle Collins’ corner. He thinks her response to booing fans at the Australian Open was absolutely fine — which should come as no surprise, given the way Djokovic gets into back-and-forths with hecklers at his matches,

Oh, Danielle Collins is petty. Her troll job at the Australian Open was next-level. Collins beat Australian native Destanee Aiava during a second-round match, and the crowd was not happy about it. Understandably,

St. Petersburg native Danielle Collins is all over the internet with her cheeky response to a raucous crowd at the Australian Open.