The Heat outscored Cleveland by four in the third to take a 92-91 lead into the fourth.
Miami flipped a 54-52 halftime deficit with a 38-point third quarter, but Cleveland answered with 34 and remains within one at 92-91 after three. Giannis Antetokounmpo has 31 points on 14-of-17 shooting, while Bam Adebayo added 19. James Harden and Donovan Mitchell have 17 apiece for the Cavaliers, who entered Friday 6-6 and 16th in the power index; Miami is 5-6 and ranked 18th. The fourth quarter begins with the Heat holding the narrow edge, not a result settled.
Key Performers
Giannis Antetokounmpo (Miami): 31 points, 9 rebounds Bam Adebayo (Miami): 19 points, 7 rebounds Donovan Mitchell (Cleveland): 17 points, 7 assists