BOSTON – Tyler Herro scored 24 points and the Miami Heat clinched a playoff spot by locking Boston into the play-in tournament with a 129-121 victory over the Celtics.
With the victory, Miami moved into a tie with idle Atlanta for fifth place in the Eastern Conference.
The surging Heat won for the 10th time in 13 games.
They have three games left in the regular season.
Bam Adebayo and Duncan Robinson each scored 22 points, Kendrick Nunn had 18 and Goran Dragic 17 for the Heat.
Kemba Walker led the Celtics in their regular season home finale with 36 points.