By Nicolas Martinez Last night’s slate of NBA action was dominated by scenes of Giannis Antetokounmpo storming the court after his 64-point night. It was revealed at the time that he was trying to get the game ball from the Indiana Pacers, who claim that they took it to give to their rookie, Oscar Tshiebwe, after the game. While Giannis believes the ball belongs to him, Mavericks owner Mark Cuban suggested that he should have taken the box score instead. “If you have a rookie who’s never scored before in an NBA game, that’s a big deal that only happens once,”said Cuban via TMZ. “So, I’d give t…