Owner Mark Cuban, who butted heads with the commissioner often during the early year’s of Cuban’s ownership, was visibly shaken by the news. “It’s heartbreaking,” he said. “We’re pulling for David. He’s incredible. There aren’t enough superlatives to describe how I feel about him and what he means to me. All of which have nothing to do with basketball. He’s just a good guy. “He was incredible to me. Even when he was yelling at me.”