The Cavaliers took advantage of a lifeless, post-Doncic Mavericks team in a 144-101 blowout win from Rocket Mortgage Fieldhouse.
Sam Merrill led all scorers with 27 points off the bench.
Evan Mobley paced the starters with 22 points as eight players reached double figures.
Cleveland has won four straight and improved to 40-and-9 on the season.
The Cavs host the Celtics tomorrow night.