Melk Costa will face a high-risk, high-reward opportunity in the main event of UFC Vegas 117 , scheduled for next Saturday (16). The Brazilian faces Arnold Allen in the fight that headlines the event, with the chance to get closer to the top 5 in the featherweight rankings (up to 65,7 kg) and take an important step towards a title fight. However, to achieve this goal, he will need to overcome the slight favoritism of the Briton in the betting houses.
According to Stake , Melk is the underdog in the matchup. A victory for the Brazilian pays 2,01 for every real bet. That is, a bet of R$ 100 would yield R$ 201 in case of a win. On the other hand, someone who invests the same amount on Arnold Allen would receive R$ 181 if the Englishman wins.
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Enjoying his best phase in the UFC, Melk has seven wins and two losses in the organization, with six consecutive victories.
On the other hand, Allen is experiencing a period of instability in his career. The Briton has won only one of his last four fights, although his losses have been to high-level opponents such as Movsar Evloev , Max Holloway and, more recently , Jean Silva.
Daniel Willycat (1,58) x Doo Ho Choi (2,40)
Daniel Willycat defeated Jeong Yeong Lee at UFC 315. Photo: Reproduction: Instagram/UFC
Riding high after two victories over South Koreans, Daniel Willycat emerges as the favorite to establish himself as the 'terror of K-pop' against Doo Ho Choi.
According to the official UFC betting site in Brazil , Chute Boxe fighter Diego Lima has odds of 1,58, while the South Korean fighter has odds of 2,40. In practice, a R$100 bet on the Brazilian would yield R$158 in case of victory, while the same amount on his rival would generate a return of R$240.
Ketlen Vieira (2,40) x Jacqueline Cavalcanti (1,58)
Ketlen makes weight and confirms fight in the UFC. Photo: Reproduction/Facebook/UFC
In the duel between Brazilian women, veteran Ketlen Vieira appears as the underdog against newcomer Jacqueline Cavalcanti.
The Nova União athlete enters the octagon with odds of 2,40, while the Portuguese-Brazilian has odds of 1,58. This means that a R$ 100 bet on Ketlen would yield R$ 240 in case of victory, while the same amount bet on Jacqueline would generate a return of R$ 158.
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Check out the odds for UFC Vegas 117.
Date: May 16, 2026
Time: From 18pm (Brasília time)
Location: Meta Apex, Nevada, United States
How to watch: SUPER FIGHTS LIVE in real time, Paramount+ (entire card) on TV and internet.
MAIN CARD (21pm Brasília time)
Featherweight (up to 65,8 kg): Arnold Allen (1,81 m) vs. Melquizael Costa (2,01 m)
Featherweight (up to 65,8 kg): Dooho Choi (2,40 m) x Daniel Willycat (1,58 m)
Bantamweight (up to 61,2 kg): Malcolm Wellmaker (1,38) x Juan Díaz (3,05)
Catch weight (up to 97,5 kg): Modestas Bukauskas (1,31) x Christian Edwards (3,50)
Bantamweight (up to 61,2 kg): Timothy Cuamba (2,09 m) vs. Bernardo Sopaj (1,75 m)
Welterweight (up to 77,1 kg): Nikolay Veretennikov (1,93 m) vs. Khaos Williams (1,88 m)
PRELIMINARY CARD (18pm Brasília time)
Light heavyweight (up to 93 kg): Tuco Tokkos (2,38 m) vs. Ivan Erslan (1,59 m)
Lightweight (up to 70,3 kg): Thomas Gantt (1,50) x Artur Minev (2,60)
Bantamweight (up to 61,2 kg): Ketlen Vieira (2,40 m) x Jacqueline Cavalcanti (1,58 m)
Average weight (up to 83,9 kg): Cody Brundage (2,48 m) x Andre Petroski (1,55 m)
Strawweight (up to 52,2 kg): Alice Ardelean (1,48 m) x Polyana Viana (2,70 m)
Flyweight (up to 56,7 kg): Daniel Barez (2,26 m) vs. Luis Gurule (1,64 m)
Strawweight (up to 52,2 kg): Shauna Bannon (3,25) x Nicolle Caliari (1,35)
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