Cleveland outscored the Blazers 64-42 in the paint.
Portland visits Sacramento on Thursday night to open a five-game road trip.
CLEVELAND (122) — Mobley 8-15 5-7 21, Strus 2-6 0-0 5, Allen 6-11 2-3 14, Garland 11-19 4-4 27, Merrill 5-7 0-0 14, Wade 1-2 0-0 3, Jerome 9-15 3-3 25, Hunter 5-10 0-0 11, Okoro 1-3 0-0 2, Green 0-0 0-0 0. Totals 48-88 14-17 122.
PORTLAND (111) — Avdija 6-17 2-6 17, Camara 5-13 1-2 13, Clingan 6-10 4-7 18, Sharpe 8-20 1-1 18, Simons 2-12 2-2 7, Banton 1-6 0-0 3, Thybulle 5-6 0-0 15, Reath 1-4 0-0 2, Henderson 6-12 4-4 18. Totals 40-100 14-22 111.