UFC Fight Night: Allen vs. Costa (also known as UFC Fight Night 276 and UFC Vegas 117) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on May 16, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States.
Main Card
Arnold Allen def. Melquizael Costa via unanimous decision (50-45, 50-45, 49-46)
Doo Ho Choi def. Daniel Santos via TKO – R2, 4:29
Juan Diaz def. Malcolm Wellmaker via submission (RNC) – R2, 4:08
Modestas Bukauskas def. Christian Edwards via split decision (29-28, 28-29, 29-28)
Bernando Sopaj def. Timothy Cumaba via submission (RNC) – R2, 2:25
Khaos Williams def. Nikolay Veretennikov via TKO – R1, 3:31
Undercard
Ivan Erslan def. Tuco Tokkos via decision (29-28 x3)
Tommy Gantt def. Artur Minev via TKO – R2, 2:51
Ketlen Vieira def. Jacqueline Cavalcanti via unanimous decision (29-28 x3)
Cody Brundage def. Andre Petroski via TKO – R2, 0:44
Alice Ardelean def. Pollyanna Viana via submission (capsule lock) – R2, 4:36
Luis Gurule def. Daniel Barez via unanimous decision (30-27 x3)
Nicolle Caliari def. Shauna Bannon via submission (head & arm choke) – R3, 3:08