UFC Vegas 121 Features Bantamweight Clash Between Rosas Jr. and Barcelos

UFC Vegas 121 takes place Saturday, September 26, 2026, at the Meta Apex in Las Vegas, Nevada. The main event features a matchup between 21-year-old prospect Raul Rosas Jr. and 39-year-old veteran Raoni Barcelos. Rosas Jr. enters the contest with a 12-1 professional record, while Barcelos holds a record of 22-5.

Rosas Jr., known for his wrestling-heavy approach, is looking to climb the bantamweight rankings. Meanwhile, Barcelos aims to continue his momentum in the division. The card also features a middleweight bout between unranked fighters Rodolfo Vieira and Robert Bryczek. Both competitors in the main event look to secure a statement win as they move toward the division's top 10 rankings.