Arnold Allen faces Melquizael Costa in the primary occasion at UFC Struggle Evening on Might 16, 2026, on the Apex in Las Vegas. The featherweight bout headlines the cardboard, with prelims beginning at 6 p.m. ET and fundamental card at 9 p.m. ET. Allen enters with a 20-4 file, together with 7 KOs, 4 submissions, and 9 selections. Costa carries a 26-7 mark, with 9 KOs and eight submissions.
Arnold Allen vs Melquizael Costa Odds
Odds opened with Allen at -150 and Costa at +130. Strains shifted to favor Allen extra, now at -160 to -190 for Allen and +140 to +165 for Costa throughout books, together with smart bettors who use Bd casino site as a place to begin Technique bets checklist Allen by factors at 1.67-2.50, KO/TKO or sub at 3.60, and Costa by factors at 3.00-4.50 or end at 4.33. Struggle distance over 4.5 rounds trades at 1.57-1.67, below at 2.05-2.20. Prediction markets give Allen 59-60% win chance.
Allen holds the sting in expertise towards top-15 foes, outstriking Holloway and Evloev regardless of losses. Path to victory tilts to Allen’s tempo. He gained 9 straight UFC bouts earlier than 2023 setbacks, rebounding with Chikadze. Costa’s underdog worth displays Allen’s putting edge: 3.47 landed vs. opponents’ decrease output. Spherical props favor Allen late, at 17.00-23.00 for rounds 3-5. Costa by choice at 4.50 provides worth if he grinds. Whole quantity tasks 140-160 vital strikes mixed.
Allen, a southpaw from England at 5’8″ with a 70-inch attain, lands 3.47 vital strikes per minute at 42% accuracy and defends 60% of strikes. His takedown common sits at 0.86 per quarter-hour with 47% accuracy and 71% protection. Current type exhibits a unanimous choice loss to Jean Silva on Jan. 24, 2026, after a win over Giga Chikadze in July 2024. He stopped Calvin Kattar by way of knee damage in 2022 and Dan Hooker with punches that yr. osta, at 5’10”, averages shorter fights at 9:11, with a 7-2 UFC file: 2 KOs, 2 subs, 3 selections. Particulars on his newest UFC wins stay sparse, however he has proven ending energy.
In betting phrases, this matchup units up as a traditional “trusted favourite versus reside underdog” spot, with Allen’s deeper resume and five-round seasoning stacked towards Costa’s higher-risk, higher-reward fashion. Allen’s rising moneyline edge traces up along with his confirmed sturdiness and output over 25 minutes, making the choice props and over 4.5 rounds the clearest angles for bettors who anticipate his tempo and expertise to inform over time.
Costa’s ending clip and shorter common battle time nonetheless give him upset potential, particularly early, so his KO or choice costs will attraction to these chasing volatility reasonably than stability. Because the week closes, the market expects Allen to reassert himself within the featherweight combine with a gentle, scorecard-driven win, however the odds depart simply sufficient daylight for anybody who believes Costa can flip this fundamental occasion into the form of chaotic battle that punishes conservative tickets.

