CHICAGO (AP) -- Reggie Jackson had 20 points and Marcus Morris and Reggie Bullock added 17 apiece to lead the Detroit Pistons to a 114-91 victory over the Chicago Bulls on Wednesday night in a preseason game.

Pistons: Jackson was 7 for 15 from the field. Bullock, who was 7 of 8 from the field, had 12 points in the fourth quarter . Andre Drummond had 14 points and 10 rebounds.

Bulls: E'Twaun Moore had a team-high 16 points . Aaron Brooks had 13 points off the bench and rookie Bobby Portis had 11 points in 21 minutes . Taj Gibson (left ankle surgery) made his preseason debut, finishing with four points and two rebounds in 10 first-half minutes.

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Star watch: The Bulls' Derrick Rose (surgery for left orbital fracture) was cleared to begin non-contact activity on Wednesday. "He still won't do any contact for at least the next several days," coach Fred Hoiberg said. Rose's status for the Oct. 27 opener remains uncertain.

Up next: Detroit visits San Antonio on Sunday . Chicago visits Charlotte on Monday.