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UFC Fight Night 289: Rosas Jr. vs. Barcelos was a mixed martial arts event produced by the Ultimate Fighting Championship taking place on September 26, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States. A bantamweight bout between Raoni Barcelos and Raul Rosas Jr. headlined the event. The bantamweight and women's strawweight finals of The Ultimate Fighter: Team Cormier vs. Team Bisping took place at this event.