Jauregui opens as -1000 favourite while Rosas Jr. leads UFC Vegas 121 main event

Opening betting lines for UFC Vegas 121 — headlined by Raul Rosas Jr. vs. Raoni Barcelos — have been released, with Rosas Jr. installed as a -175 favourite and Barcelos available at +150.

Yazmin Jauregui carries the most lopsided price on the entire card, opening at -1000 against Vanessa Demopoulos, who is a +650 underdog. At the other end of the spectrum, the Ailin Perez vs. Norma Dumont contest is the closest matchup of the night, with Perez at -138 and Dumont at +117.

Here are the full opening money lines for all 11 bouts:

Main Card

Raul Rosas Jr. (-175) vs. Raoni Barcelos (+150)

Rodolfo Vieira (-155) vs. Robert Bryczek (+133)

Mehemmedali Osmanli (-290) vs. Ilimbek Akylbek Uulu (+240)

Melissa Amaya (+180) vs. Valesca Machado (-215)

Josiah Harrell (-142) vs. Elves Brener (+122)

Preliminary Card

Brady Hiestand (+280) vs. Rinya Nakamura (-350)

Rodolfo Bellato (-180) vs. Christian Edwards (+155)

Montel Jackson (-205) vs. Ricky Simon (+173)

Norma Dumont (+117) vs. Ailin Perez (-138)

John Castaneda (-350) vs. Heili Alateng (+280)

Vanessa Demopoulos (+650) vs. Yazmin Jauregui (-1000)

The card features a wide range of implied probabilities across its 11 fights, from Jauregui’s near-certain status at the top of the odds board to the near coin-flip between Dumont and Perez. Nakamura (-350 vs. Hiestand) and Castaneda (-350 vs. Alateng) are also among the heavier favourites on the night.