The Celtics rushed to a 13-0 lead, shutting out Chicago until Dwyane Wade’s jumper nearly six minutes into the game.
Thomas, the team’s leading scorer at 29.2 points per game, played only 24 minutes and sat the entire final quarter. He had some fun with the fans in the closing minutes of the blowout, taking part with teammate Jae Crowder in the crowd’s cheer.
Avery Bradley had 17 points and Marcus Smart and Al Horford both added 12, and no Boston starter played more than 32 minutes.
Robin Lopez and Denzel Valentine paced the Bulls with 13 points apiece. Wade scored only eight points and Jimmy Butler had five.