The Boston Celtics had dominated the Heat in their three previous matchups, but it was close in the first quarter. Herro got to his spots and knocked down shots. For Boston, Luke Kornet was the starting center and scored their first four points.

The Celtics are one of a few NBA teams with a better record on the road than at home this season, but they have a chance to narrow that gap Wednesday when they host the red-hot Miami Heat. Boston (56-19) is fresh off a 6-0 road trip that raised the team’s 32-7.