Rosas Jr. Defeats Barcelos in UFC Vegas 121 Headliner

Raul Rosas Jr. headlined UFC Vegas 121 at the Meta Apex in Las Vegas, Nevada, securing a fifth-round knockout against Raoni Barcelos. The event also featured a co-main event where Aileen Perez defeated Norma Dumont by unanimous decision.

In other action, Luis Hernandez made a successful promotional debut by submitting Sedrique Dumas in 57 seconds after accepting the fight on short notice. Hernandez, who recently earned a contract on the Contender Series, also received a $100,000 post-fight bonus.

Vanessa Demopoulos suffered a first-round knockout loss to Yazmin Jauregui, falling 62 seconds into the opening round. This result marks her fourth consecutive defeat.