Kristaps Porzingis will be in uniform and available to play in a limited role when the Boston Celtics try to complete a sweep of the NBA Finals in Game 4 against the Dallas Mavericks. “He's not quite there, but we’re going to make him available,” Celtics coach Joe Mazzulla said before the game. When pressed on how Porzingis could be not quite ready but available, the coach basically repeated that same answer twice.