The Ultimate Fighting Championship (UFC) is almost 24 hours away UFC Vegas 121 mixed martial arts (MMA) event headlined by a 135-pound showdown. Raul Rosas Jr. and Raoni’s Barcelos. The action begins this Saturday. night (Sept. 26, 2026) onwards Paramount+ from within the campaign Meta Apex facility in Las Vegas, Nevada, which also features a 135-pound co-headliner between the veteran women’s bantamweights. Norma Dumont and Ailin Perez.
Before Paramount+ live coverage begins this weekend in “Sin City,” which includes short-term slight heavyweight bias pitting Luis Hernandez against Cedric Dumasall 24 fighters must hit the scale to prove themselves worthy. Note. The Nevada State Athletic Commission (NSAC) awards one pound in non-title bouts.
UFC Vegas 121 weigh-ins begin promptly at 12:00 PM ET (9 a.m. PT) in the embedded video above, and we’ll have live text updates for the “Rosas Jr. vs. Barcelos” weigh-ins listed below, which will be updated as needed. Also remember that observations begin at the end of today’s weigh-ins (around 2:00 PM ET).
Full UFC Vegas 121 weigh-in results below:
135 pounds: Raul Rosas Jr. (136) vs. Raoni Barcelos (135)
135 pounds: Norma Dumont (136) vs. Ailin Perez (136)
205 pounds: Sedriques Dumas (197) vs. Luis Hernandez (204)
135 pounds: Ilimbek Akylbek (135.5) vs. Men’s Ottoman (136)
115 pounds: Tina Black (116) vs. Melissa Amaya (116)
135 pounds: Rinya Nakamura (136) vs. Brady Hiestand (135.5)
185 pounds: Rodolfo Vieira (186) vs. Robert Bryczek (185.5)
205 pounds: Rodolfo Bellato (204.5) vs. Christian Edwards (205)
155 pounds: Elves Brener (155) vs. Josiah Harrell (155.5)
135 pounds: Montel Jackson (136) vs. Ricky Simon (135.5)
135 pounds: John Castaneda (136) vs. Alatengheili (136)
115 pounds: Yazmin Jauregui (115) vs. Vanessa Demopoulos (116)
Click for more UFC Vegas 121 news and notes here.
