At UFC Vegas 121 on Sept. 26, 2026, Raul Rosas Jr. knocked out Raoni Barcelos in the fifth round, Luis Hernandez submitted Sedrique Dumas in 57 seconds, and Yazmin Jauregui knocked out Vanessa Demopoulos 62 seconds into their fight.
Rosas extended his winning streak to six in his first headlining bout. The article said the victory would move him into the division’s top 10. Hernandez took his UFC debut on a couple of days’ notice as a replacement for Mickey Gall, after earning a contract on Contender Series weeks earlier, and received a $100,000 post-fight bonus.
In the co-main event, Aileen Perez defeated top-ranked contender Norma Dumont by unanimous decision. Demopoulos entered her bout on a three-fight losing streak; her loss to Jauregui was her fourth in a row. Her previous win was in May 2024, and the article said she could be released in a future round of roster cuts.
