UFC on ESPN: Luque vs. dos Anjos (also known as UFC Vegas 78 and UFC on ESPN 51) is a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 12, 2023, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States.
Curtis Blaydes vs. Chris Daukaus (Heavyweight) Joanne Wood vs. Alexa Grasso (Flyweight) Matt Brown vs. Bryan Barberena (Welterweight) Askar Askarov vs. Kai Kara-France (Flyweight) Neil Magny vs. Max Griffin (Welterweight) Marc Diakiese vs. Viacheslav Borshchev (Lightweight)
Derrick Lewis vs. Chris Daukaus (Heavyweight) Stephen Thompson vs. Belal Muhammad (Welterweight) Amanda Lemos vs. Angela Hill (Strawweight) Raphael Assunção vs. Ricky Simón (Bantamweight) Carlos Diego Ferreira vs. Mateusz Gamrot ( Lightweight) Cub Swanson vs. Darren Elkins (Featherweight)
265 lbs.: Curtis Blaydes (259) vs. Derrick Lewis (263) 135 lbs.: Ketlen Vieira (138*) vs. Yana Kunitskaya (135.5) 145 lbs.: Darrick Minner (146) vs. Charles Rosa (146) 265 lbs.: Chris Daukaus (234) vs. Aleksei Oleinik (240) 265 lbs.: Andrei Arlovski (249.5) vs. Tom Aspinall (244.5)
