Boston’s path to this moment has not been the idyllic storybook tale — at least not yet — but it has been awfully effective just the same. “The mental stress and strain we put on some teams with our defense has worked and carried us through the playoffs at times,” Udoka said. “You saw in the Brooklyn [Nets] series, guys started to wear down. Game 7, [Giannis] Antetokounmpo slowed down some. But having all those bodies to continue to throw at people wears down on them.”