Dunleavy is expected to be out 8–10 weeks. He experienced occasional, lingering back discomfort throughout the summer before deciding to undergo surgery.
The 34-year-old wing started 63 games for the Bulls last season, averaging 9.4 points and 3.9 rebounds. He became a free agent at the end of the season and re-signed with the Bulls on a three-year, $14.4 million deal.
- Christopher Chavez