UFC Fight Night - Allen Vs. Costa Results, Bonus Winners And Highlights
Arnold Allen defeated Melquizael Costa by unanimous decision at UFC Fight Night in Las Vegas on May 16, 2026, in a dominant performance that included seven successful takedowns. The co-main event between Choi Doo-ho and Daniel Santos earned Fight of the Night honors, with Choi winning by second-round TKO. Juan Diaz and Alice Ardelean each received Performance of the Night bonuses for their submission victories.
- ▪Arnold Allen defeated Melquizael Costa via unanimous decision with scores of 50-45, 50-45, and 49-46.
- ▪Choi Doo-ho defeated Daniel Santos by TKO in the second round, earning Fight of the Night bonus.
- ▪Juan Diaz submitted Malcolm Wellmaker via rear-naked choke in his promotional debut.
- ▪Alice Ardelean secured the first-ever Capsule Lock submission in UFC history against Polyana Viana.
- ▪Six fighters earned $100,000 bonuses, and five received $25,000 finish bonuses.
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