UFC on ESPN 55: Nicolau vs. Perez was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 27, 2024, at the UFC Apex facility, in Enterprise, Nevada, United States. A flyweight match between Matheus Nicolau and UFC Flyweight Championship challenger Alex Perez served as the headliner.
Alex Perez
Matheus Nicolau
Bogdan Guskov
Ryan Spann
Karine Silva
Ariane Lipski da Silva
Jhonata Diniz
Austen Lane
David Onama
Jonathan Pearce
Uroš Medić
Tim Means
Victor Henry
Rani Yahya
Austin Hubbard
Michal Figlak
Don'Tale Mayes
Caio Machado
Ketlen Souza
Marnic Mann
Chris Padilla
James Llontop
Ivana Petrović
Na Liang
Hayisaer Maheshate
Gabriel Benítez