In the midst of the Heat outscoring the Pacers 38-23 in the third quarter on the way to a 122-108 rout, Jimmy Butler exchanged bumps, words and gestures with Indiana's T.J. Warren, who was ejected.
Butler scored 14 points and was one of seven Miami players in double figures. Another was Bam Adebayo, who had 18 in three quarters.
The Heat built a 28-point lead by the end of the third quarter and rested the starters.
Tyler Herro led Miami with 19 points, Derrick Jones had 18 and Duncan Robinson scored 11 of his 17 in the third quarter. Goran Dragic and Kendrick Nunn each scored 14.
The Pacers were led by forward Domantas Sabonis, with 27 points and 14 rebounds for his 30th double-double of the season.
Two-time All-Star Pacers guard Victor Oladipo eagerly confirmed the plan for his season debut in a Jan. 29 home game against Chicago, a little more than a year since he ruptured a right quad tendon in a Jan. 23, 2019, home win over Toronto.
The Pacers are at Chicago on Friday.