Matheus Nicolau meets Alex Perez in the men's flyweight main event of UFC Fight Night on Saturday in Las Vegas.
The main card at UFC Apex will be on ESPN and ESPN+ at 7 p.m. ET, with prelims on ESPN2 and ESPN+ at 4 p.m.
Nicolau (19-3-1) is coming off a knockout loss to Brandon Royval a year ago, ending a six-fight winning streak. He is No. 8 in the ESPN men's flyweight rankings.
Perez (24-8) has dropped three fights in a row, most recently a unanimous decision against Muhammad Mokaev in February. He is a late replacement for Nicolau's original opponent, Manel Kape.
Saturday's UFC fight card
ESPN/ESPN+, 7 p.m. ET
Men's flyweight: Matheus Nicolau vs. Alex Perez
Light heavyweight: Ryan Spann vs. Bogdan Guskov
Women's flyweight: Ariane Lipski vs. Karine Silva
Heavyweight: Austen Lane vs. Jhonata Diniz
Featherweight: Jonathan Pearce vs. David Onama
Welterweight: Tim Means vs. Uros Medic
ESPN2/ESPN+, 4 p.m.
Men's bantamweight: Rani Yahya vs. Victor Henry
Lightweight: Austin Hubbard vs. Michal Figlak
Heavyweight: Don'Tale Mayes vs. Caio Machado
Strawweight: Marnic Mann vs. Ketlen Souza
Women's flyweight: Ivana Petrovic vs. Liang Na
Lightweight: Gabriel Benitez vs. Maheshate
How to watch the fights
Watch all of the fights on ESPN+: Get ESPN+ here.
Watch the main card on ESPN and prelims on ESPN2. Download the ESPN App | WatchESPN | TV schedule
Don't have ESPN/ESPN2? Get instant access.
There's also FightCenter, which offers live updates for every UFC card.