Welterweights are favored when Arnold Allen battles seven-seeded 12th-ranked Melquizael Costa in the main event at UFC Fight Night: Allen vs. Costa on Saturday at Meta APEX in Las Vegas. The five-episode main draw is scheduled to begin at approximately 8 pm ET on Paramount. Allen is coming off a unanimous decision loss to Jean Silva at UFC 324, this past January. Costa, meanwhile, won by knockout over Da Ige in the last bout at UFC Fight Night: Strickland vs. Hernandez this past February.
In the main event, Allen is a -130 favorite (risk $130 to win $100) in UFC Fight Night: Allen vs. Best odds at DraftKings Sportsbook. Before I close in on UFC Fight Night: Allen vs. Costa picks up, make sure to watch UFC Fight Night: Allen vs. Costa predictions and betting advice from SportsLine expert Kyle Marley.
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Over the past three-plus years, $100 bettors who followed Marley’s runners have returned nearly $10,000, and as of May 2018, well over $21,000. The ultimate MMA analyst has compared the winners of the past five years of matchups for SportsLine members. His achievements include scoring five main event underdog winners in 2020 following a brief hiatus in UFC action due to the pandemic. Everyone who followed Marley’s The exhibition hall read could have been seen, returns huge.
Now, Marley Arnold vs. Allen Melquizael studied Costa from every angle and revealed his top bets and best bets. Head to SportsLine for them.
Arnold Allen vs. Melquizael Costa preview
Allen, 32, is a three-time Performance of the Night honoree. Verras had the longest streak in UFC division history, from 2015 to 2022. In his 24 match career, he posted a 20-4 record. Seven wins by knockout, four by submission, nine by decision.
He began his MMA career in April 2012 with a knockout win over Nathan Greyson at Ultimate Challenge MMA 27 in London. Allen went on to post a 9-1 record before joining the UFC in 2015. He won his first 10 UFC fights, but then lost three of four. Allen is a one-time M4TC lightweight champion. Check out Sportsline to see Marley’s picks and analysis.
Costa, 29, is a former Predator FC featherweight champion. In 33 career matches, he posted a 26-7 mark. Nine wins by knockout, eight by submission, nine by decision. In 2025, he earned his fifth Fight of the Year against Dan Ige.
Among many other skills, they include a one-time Performance of the Night and a one-time Battle of the Night. He is tied with nine other fighters for the most submissions in UFC featherweight history with two wins. He is also tied with three other fighters for the sixth-longest streak in UFC heavyweight history at seven. You can only see Marley’s charts and analysis on SportsLine.
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UFC Fight Night: Allen vs
One of Marley’s UFC Fight Night: Allen vs. Costa picks: Nicolle Caliari (-265) is back to win by unanimous decision against Shauna Bannon (+215) in a women’s strawweight bout on the main UFC Fight Night: Allen vs. Costa card.
“Bannon should be better from a distance here, but Caliari should have an edge in wrestling/injection,” Marley said. “I think Caliari will land two pennies on this matchup, and I’ll take her to get enough time to win two rounds and get the upper hand.” See who else is coming back here.
How to make UFC Fight Night: Allen vs. Costa reads
Marley also has strong reads for Allen vs. Costa and other bouts in UFC Fight Night: Allen vs. Costa card It also helps the fighter who is the “better overall athlete” to emerge with a great victory. Communicate who is exclusively on Sportsline.
Who Allen vs. Costa wins, and how exactly does the fight end? Visit SportsLine now to find out the card details and analysis from the incomparable expert who has made over $21,000 in his UFC bets since May 19, 2018.
UFC fight night main fight card, odds
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(disagreement with DraftKings and subject to change)
Arnold Allen (-130) vs.
Daniel Santos (-160) vs.
Juan Diaz (+185) vs.
Christian Edwards vs.
Timmy Cuamba (+105) vs.
Khaos Williams (-122) vs.