Dion Waiters also put in 20 points and Tristan Thompson chipped in a double-double of 14 points and 14 rebounds as the Cavaliers broke a six-game losing streak.
Kyrie Irving provided 19 points and six assists.
The Bulls, meanwhile, dropped a fifth in six games despite 27 points and 11 assists from Luol Deng.
Taj Gibson and Tony Snell each scored 18 points for the Bulls.
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