Ultimate Fighting Championship (UFC) is just over 24 hours away from its upcoming UFC Vegas 121 mixed martial arts (MMA) event, headlined by a 135-pound showdown between bantamweight bruisers Raul Rosas Jr. and Raoni Barcelos. The action gets underway this Sat. night (Sept. 26, 2026) on Paramount+ from inside the promotion’s Meta Apex facility in Las Vegas, Nevada, and also features a 135-pound co-headliner between women’s bantamweight veterans Norma Dumont and Ailin Perez.
Before the Paramount+ live
stream gets underway this weekend in “Sin City,” which includes the short-notice light heavyweight tilt pitting Luis Hernandez against Sedriques Dumas, all 24 fighters must hit the scale to prove themselves worthy. Note: Nevada State Athletic Commission (NSAC) affords a one-pound allowance in non-title fights.
The UFC Vegas 121 weigh ins will begin promptly at 12 p.m. ET (9 a.m. PT) in the embedded video above and we’ll have real-time text updates for the “Rosas Jr. vs. Barcelos” weigh ins listed below, updated as they happen. Remember too that staredowns will commence at the conclusion of today’s weigh ins (roughly 2 p.m. ET).
Complete UFC Vegas 121 weigh ins text results below:
UFC Vegas 121 Main Card on Paramount+ (8 p.m. ET):
135 lbs.: Raul Rosas Jr. () vs. Raoni Barcelos ()
135 lbs.: Norma Dumont () vs. Ailin Perez ()
205 lbs.: Sedriques Dumas () vs. Luis Hernandez ()
135 lbs.: Ilimbek Akylbek () vs. Mehemmedeli Osmanli ()
115 lbs.: Tina Black () vs. Melissa Amaya ()
UFC Vegas 121 ‘Prelims’ Card on Paramount+ (5 p.m. ET):
135 lbs.: Rinya Nakamura () vs. Brady Hiestand ()
185 lbs.: Rodolfo Vieira () vs. Robert Bryczek ()
205 lbs.: Rodolfo Bellato () vs. Christian Edwards ()
155 lbs.: Elves Brener () vs. Josiah Harrell ()
135 lbs.: Montel Jackson () vs. Ricky Simon ()
135 lbs.: John Castaneda () vs. Alatengheili ()
115 lbs.: Yazmin Jauregui () vs. Vanessa Demopoulos ()
For more UFC Vegas 121 news and notes click here.
