The Cavaliers took advantage of AWOL Jimmy Butler and blew out the Heat 126-106 from Miami.
Donovan Mitchell led all scorers with 34 points and dished out six assists.
Evan Mobley and Jarrett Allen tallied double-doubles on points and rebounds as Cleveland has won back-to-back games and improved to 38-and-9 on the season.
The Cavs host the Hawks tonight.