UFC Fight Night: Allen vs. Costa - Full Card, Schedule & UFC Live Stats

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UFC Fight Night: Allen vs. Costa

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UFC Results

UFC Fight Night: Allen vs. Costa, On May 17, 2026

Main Card

Arnold Allen defeated Melquizael Costa by unanimous decision (50-45, 50-45, 49-46)
DooHo Choi defeated Daniel Santos by TKO (strikes) at 4:29 of Round 2
Juan Diaz defeated Malcolm Wellmaker by submission (rear-naked choke) at 4:08 of Round 2
Modestas Bukauskas defeated Christian Edwards by split decisions (28-29, 29-28, 29-28)
Benardo Sopaj defeated Timmy Cuamba by submission (rear-naked choke) at 2:25 of Round 2
Khaos Williams defeated Nikolay Veretennikov by TKO (strikes) at 3:31 of Round 1

Prelims

Ivan Erslan defeated Tuco Tokkos by unanimous decision (29-28, 29-28, 29-28)
Tommy Gantt defeated Artur Minev by TKO (strikes) at 2:51 of Round 2
Ketlen Vieira defeated Jacqueline Cavalcanti by unanimous decision (29-28, 29-28, 29-28)
Cody Brundage defeated Andre Petroski by TKO (strikes) at 0:44 of Round 2
Alice Ardelean defeated Polyana Viana by verbal submission (capsule lock) at 4:36 of Round 2
Luis Gurule defeated Daniel Barez by unanimous decision (30-27, 30-27, 30-27)
Nicolle Caliari defeated Shauna Bannon by submission (arm-triangle choke) at 3:08 of Round 3

EVENTS DETAILS

UFC Fight Night: Allen vs. Costa

UFC Fight Night: Allen vs. Costa features a high-stakes featherweight clash in the main event. Top contender Arnold Allen (ranked #7) looks to defend his spot against the surging Melquizael Costa (ranked #12), who enters the octagon on an impressive six-fight win streak.

The co-main event promises fireworks as "The Korean Superboy" Doo Ho Choi takes on the aggressive Daniel Santos.