Love him or hate him, Nick Kyrgios is good for tennis and the sport will get a boost from his return to Grand Slam action at the Australian Open — or so he says. For me, being personally back, it adds a bit of question marks to, like, ‘What is going to happen today?’ I love that. “Throughout my career, it hasn’t always been good,” continued the 29-year-old Australian, wearing a green hat in support of his favorite NBA team, the reigning champion Boston Celtics, “but it’s added a lot of excitement to the game.”