The Miami Heat clinched a spot in the playoffs for the fourth time in the past six seasons by beating the hosts Boston Celtics 129-121 on Tuesday night.Miami won in Boston for the second consecutive game, all but relegating the Celtics to the NBA’s play-in tournament. Miami have a three-game lead and hold the head-to-head tiebreaker on the Celtics with each team having three regular-season contests to play.
