De'Andre Hunter and Evan Mobley combined for 30 points for the Cavaliers, who closed the first quarter on a 27-5 scoring run and never looked back. The Heat, which dropped its sixth straight playoff game at home, were paced by Bam Adebayo with 22 points and nine rebounds. Game 4 is back in Miami on Monday.

It was a win-by-committee game for Cleveland as six different players were in double figures with Darius Garland (toe) ruled out shortly before tipoff. Donovan Mitchell posted 13 points, Jarrett Allen had 22, Max Strus dropped 18 and Evan Mobley added 19.