UFC Fight Night: Allen vs. Costa takes place on Saturday, May 16, 2026, at the UFC APEX in Las Vegas, Nevada. The featherweight showdown between ranked contenders Arnold Allen (#13) and Melquizael Costa (#8) headlines a 13-fight card broadcast live on Paramount+.
MAIN EVENT1 bout
MAIN CARD4 bouts
PRELIMS8 bouts
The UFC Fight Night: Allen vs. Costa will take place on Saturday, May 16th 2026. It will be held at the UFC APEX located in Las Vegas, NV. In the main event of the evening, Arnold Allen (20-4; ranked #13 in the featherweight division), will face off against Melquizael Costa (26-7; ranked #8 in the featherweight division) in a featherweight bout. This event will be broadcast live in the U.S. exclusively on Paramount+.
In addition to Allen vs. Costa, there are five other fights that will feature on the main card. Those fights include: Choi v. Santos in a featherweight fight as the co-main event; Wellmaker v. Diaz in a bantamweight fight; Bukauskas v. Bellato in a light heavyweight fight; and Cuamba v. Sopaj in another bantamweight fight.
All ten of those fights will be included as part of the preliminary portion of the show.