Dion Waiters came off the bench to pour in 24 points as the Cavs took a fourth straight victory in Washington.
C.J. Miles contributed 18 points.
Tristan Thompson helped out with 10 with eight rebounds for Cleveland.
The Wizards got 32 points with 10 assists from John Wall, but it wasn't enough to prevent a second consecutive loss.
Marcin Gortat logged 19 points with eight rebounds.
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