Las Vegas, Nevada – Arnold Allen defeated Melquizael Costa by unanimous decision (50-45, 50-45, 49-46) in the main event of UFC Vegas 117 on Saturday, May 16, 2026, at the Meta APEX. The victory marks a significant rebound for Allen, who showcased his elite striking and veteran experience throughout the 25-minute featherweight contest. Social media was abuzz following the fight, with user Adam Townsend tweeting, > "OMG what Arnold Allen did to Costa’s face."
Allen, an established featherweight contender, delivered a dominant performance, consistently landing impactful strikes and controlling the pace of the fight. He notably rocked Costa early in the first round and inflicted significant damage in the third, demonstrating why he remains a top-ranked fighter in the division. Despite the heavy blows, Costa, known for his resilience, managed to endure the full five rounds.
Melquizael Costa, who entered the bout on an impressive six-fight winning streak and was recognized as the 2025 MMA Junkie Breakthrough Fighter of the Year, saw his momentum halted by Allen's strategic attack. Costa had previously secured notable knockouts against Dan Ige and Morgan Charriere, making this loss a significant setback for his ascent in the featherweight rankings. The fight was a crucial test for Costa, who was aiming to solidify his position among the division's elite.
For Allen, the win is a critical bounce-back after a recent challenging period, having lost three of his previous four fights to top contenders. The 32-year-old Englishman's performance underscored his technical prowess and ability to perform under pressure, reaffirming his status as a formidable presence in the featherweight landscape. Allen's victory ensures he maintains relevance at the top of the division and potentially sets him up for another high-profile matchup.
The fight was a pivotal moment for both athletes, with Allen successfully defending his standing against a surging contender. The unanimous decision victory highlights Allen's enduring skill and tactical execution, while Costa gains valuable experience from facing a seasoned veteran in a main event setting. The featherweight division continues to be a highly competitive landscape, with both fighters now looking towards their next challenges.
