Boston also defeated Cleveland with a 108-83 blowout in Game 1 of the 2018 Eastern Conference Finals.
Shooting guard Jaylen Brown led all Celtics with 23 points and 8 rebounds, forward Marcus Morris added 21 points and 10 boards, and big man Al Horford logged 20 points and 6 assists.
Reserve guard Marcus Smart contributed 9 points and 6 assists off the bench.
“The last couple of playoffs, and our meeting at the end of year, they blew us out of the water,” Smart said via the A.P. “We’ve got a different team, just like they do, and a lot of younger guys. So for them to see that, and have that feeling like we did tonight, is huge”
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