Some fantasized that the pair could become the Batman and Robin of a potential new era in Milwaukee, but Giannis didn’t want to be Robin. He needed to be Batman. “He wasn’t on the throne,” Bucks assistant coach Josh Oppenheimer says, “but the chair was empty. And he wasn’t going to help somebody get there when he thought he had the same amount of ability to get there.” Giannis and Parker went at each other in every drill. Bucks coach Jason Kidd was happy about that; he demanded that competitiveness from everyone. He wasn’t going to accept another humiliating 15-win season.