Ultimate Fighting Championship.
Rosas Jr. is scheduled to headline
UFC Vegas 121 against Raoni’s Barcelos September 26 at Meta Apex in Las Vegas. Rosas Jr. is especially excited to challenge himself in the fourth and fifth rounds as it prepares him for future potential title fights.
Raul Rosas Jr. takes on a 25-minute test against Raoni Barcelos at UFC Vegas 121
Rosas Jr. also wants 25 minutes to try and finish his wily veteran opponent, who has only been knocked out and submitted once in his career.
“It’s definitely different running a five-round fight,” Rosas Jr. said Wednesday. “And I’m excited to go there for five rounds for the first time. I’m more excited when it goes to the fourth and fifth rounds. Because I’m getting used to it as the championship is getting (closer) … I want to have five rounds to try to finish him because he’s hard to finish. Even if he goes down and I try, he’ll go back.”
Rosas Jr. signed with the UFC in 2022 when he was just 17 years old, becoming the youngest UFC fighter in history. Rosas Jr. suffered his only career loss in the first round in his UFC debut. Christian Rodriguez. “El Nino Problema” has since gone on a five-game winning streak and is fresh off a win. Rob Font.
Meanwhile, Barcelos is riding a five-game winning streak against high-profile opponents. The Brazilian has built a reputation for derailing hype trains with upset wins over the likes of
Payton Talbott and Montel Jackson.
“I want to find out what his fight is about.”
Raul Rosas Jr. (@RaulRosasJr8) is excited about his first UFC main event and hopes to establish himself as a future contender.
#UFCVegas121Fight by Fight preview ➡️: https://t.co/azCRoWKNXx pic.twitter.com/YPn5ru2CqH
— UFC News (@UFCNews)
24 September 2026