Check out the final UFC Vegas 91 odds for Saturday's UFC Vegas 91 event, which features a Matheus Nicolau vs. Alex Perez main event.

UFC Vegas 91 takes place tonight, April 27, at the UFC Apex facility in Las Vegas. The preliminary card airs on ESPN2 beginning at 4 p.m. ET (1 p.m. PT), and the main card airs on ESPN beginning at 7 p.m. ET. The entire event is also available on ESPN+.

According to the latest UFC odds as of Saturday, Matheus Nicolau is a -176 favorite (bet $176 to win $100) over fellow headliner and +148 underdog (bet $100 to win $148) Alex Perez. That gives Nicolau an implied win probability of 63.8%.

UFC Vegas 91 Odds, Picks, Projections: Our Expert Best Bets for Tonight (April 27)Read now

The total for the five-round main event is set at 4.5 rounds with +110 for the over and -140 for the under.

In the co-main event, Ryan Spann is a -184 favorite (64.8%) over fellow light heavyweight and +154 underdog Bogdan Guskov.

Below, you can check out the full list of UFC Vegas 91 odds via FanDuel for all of the fights on tonight's lineup below.

Get the most out of your UFC betting with our FanDuel promo code!

UFC Vegas 91 OddsPreliminary Card4 p.m. ETESPN2Gabriel Benitez vs. Maheshate HayisaerLightweight BoutOddsBenitez Odds+200Hayisaer Odds-245Over/under roundsTBAIvana Petrovic vs. Liang NaWomen's Flyweight BoutOddsPetrovic Odds-460Na Odds+360Over/under roundsTBAChris Padilla vs. James LlontopLightweight BoutOddsPadilla Odds+330Llontop Odds-420Over/under roundsTBA

Marnic Mann vs. Ketlen SouzaWomen's Strawweight BoutOddsMann Odds+285Souza Odds-355Over/under roundsTBADon'Tale Mayes vs. Caio MachadoHeavyweight BoutOddsMayes Odds-102Machado Odds-116Over/under roundsTBAAustin Hubbard vs. Michal FiglakLightweight BoutOddsHubbard Odds+146Figlak Odds-174Over/under roundsTBARani Yahya vs. Victor HenryBantamweight BoutOddsYahya Odds+330Henry Odds-420Over/under roundsTBAMain Card7 p.m. ETESPNTim Means vs. Uros MedicWelterweight BoutOddsMeans Odds+245Medic Odds-300Over/under roundsTBAJonathan Pearce vs. David OnamaFeatherweight BoutOddsPearce Odds-142Onama Odds+120Over/under roundsTBAAusten Lane vs. Jhonata DinizHeavyweight BoutOddsLane Odds+250Diniz Odds-310Over/under roundsTBA

Ariane Lipski vs. Karine SilvaWomen's Flyweight BoutOddsLipski Odds+134Silva Odds-158Over/under rounds1.5 (+215 / -290)Ryan Spann vs. Bogdan GuskovLight Heavyweight BoutOddsSpann Odds-184Guskov Odds+154Over/under rounds1.5 (+215 / -290)Matheus Nicolau vs. Alex PerezFlyweight BoutOddsNicolau Odds-176Perez Odds+148Over/under rounds4.5 (+110 / -140)

The must-have app for UFC bettorsThe best UFC betting scoreboardFree picks from proven prosLive win probabilities for your betsDOWNLOAD NOW