Harden showed few signs of rust after missing two games with a thumb injury, connecting on 10-of-17 shots from the floor.
Lin posted 15 points, 11 rebounds and 10 assists of the bench for his first career triple-double.
Luol Deng paced the Cavaliers with 24 points.
Kyrie Irving helped out with 21 and Dion Waiters added 19 in a reserve role.
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