C’s deal Bulls worst loss

CHICAGO — Jaylen Brown scored 23 points off the bench, Daniel Theis added a career-high 22 points and grabbed 10 rebounds, and the Celtics routed the Bulls 133-77 on Saturday night for their fifth straight win.

Jayson Tatum had 18 points and Terry Rozier added 15 as the Celtics used a 17-0 start and a balanced attack to roll to their second straight lopsided win after beating New York 128-100 on Thursday.

The Celtics (15-10) have outscored opponents an average of 126.2 to 97.6 during their five-game run.

The 56-point loss was the worst in Bulls’ history, eclipsing a 53-point (12774) defeat at Minnesota on Nov. 8, 2001.

S h a q u i l l e Har r i s o n came off the bench to score a career-high 20 points for the Chicago, which has lost eight of nine. Zach LaVine had 11 for the Bulls (6-21), whose previous worst loss this season was by 39 points (122-83) to Toronto on Nov. 17.

The Celtics took charge early, racing ahead 17-0 as they shot 8 for 11 from the floor at the start. Boston led 35-17 after one quarter as it shot 60.9 percent, and led 64-43 at the half thanks to 52.4-percent shooting.

For the game, the Celtics outshot Chicago 53.8 percent to 38.3 percent.

The scoring in Boston’ first-half outburst was evenly distributed. Morris led with 12 points, while Tatum, Theis and Terry Rozier each had 10.

The Celtics’ biggest lead in the first half was 22 points, and Chicago didn’t get closer than 13.

Chicago missed its first 12 field-goal attempts, prompting coach Jim Boylen to pull all five starters 4:45 in.