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.
Kevin Holland vs. Derek Brunson
Song Kenan vs. Max Griffin
Cheyenne Buys vs. Montserrat Ruiz
Adrian Yanez vs. Gustavo Lopez
Tai Tuivasa vs. Harry Hunsucker
Invicta FC 41: Morandin vs. Ruiz was a mixed martial arts event headlined by Janaisa Morandin and Montserrat Ruiz. The co-main event was set to feature Erin Blanchfield against Stephanie Geltmacher, however Geltmatcher was forced to withdraw and was replaced by Brogan Walker-Sanchez. On July 19, Cynthia Arceo was forced to withdraw from her bout against Itzel Esquivel and was replaced by Kelly D'Angelo. The night of the event, the bout between Esqivel and D'Angelo was removed from the card due to testing for COVID-19.