UFC Fight Night: Rosas Jr. vs. Barcelos (also known as UFC Fight Night 289 and UFC Vegas 121) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 26, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States.

Background A bantamweight bout between Raoni Barcelos and Raul Rosas Jr. headlined the event. At 21 and 39 years old respectively, Rosas Jr. and Barcelos set the record for the largest age gap in UFC main event history at 17 years, surpassing the previous mark set at UFC Fight Night: Emmett vs. Vallejos in March 2026.

The bantamweight and women's strawweight finals of The Ultimate Fighter: Team Cormier vs. Team Bisping took place at this event.

Road to UFC Season 1 bantamweight winner Rinya Nakamura faced Brady Hiestand in a bantamweight bout. They were originally scheduled to compete at UFC 298 in February 2024, but Hiestand pulled out due to injury.

A middleweight bout between Mickey Gall and Sedriques Dumas was scheduled for the event. However, Gall was removed from the bout two days before the event due to medical issues and was replaced by promotional newcomer Luis Hernandez, in what became a light heavyweight bout.

Results

Bonus awards The following fighters received $100,000 bonuses. The other finishes received $25,000 additional bonuses. Fight of the Night: Raul Rosas Jr. vs. Raoni Barcelos Performance of the Night: Luis Hernandez and Yazmin Jauregui

See also

2026 in UFC List of current UFC fighters List of UFC events

References