The Ultimate Fighting Championship returns to the Apex this weekend with UFC Vegas 91: Nicolau vs. Perez (also known as UFC on ESPN 55), which is headlined by flyweight contenders.
The main event sees electric pair of top ranked flyweights clash as No. 5 ranked Matheus Nicolau takes on No. 8 ranked Alex Perez, while an equally compelling co-main event sees light heavyweight finishers aim to steal the show when No. 11 Ryan Spann and Bogdan Guskov collide.

Also on the main card, No. 11 ranked flyweight Ariane Lipski and No. 12 Karine Silva go toe-to-toe in a pivotal matchup after Dana White's Contender Series heavyweight contract winners Austen Lane and Jhonata Diniz look to deliver fireworks.
Plus, Jonathan Pearce takes on David Onama at featherweight, while welterweights Tim Means and Uros Medic square off in the potential main card opener after bantamweight veteran Rani Yahya and DWCS alumnus Victor Henry close the preliminary card.
The prelims of UFC Vegas 91 will also see six other bouts. Here is all you need to know about UFC Vegas 91 from card, date, start time in IST & live streaming information:
The event takes place on Saturday (April 27) at the UFC Apex facility in Las Vegas. And due to time difference in India, the event will start in the early hours of Sunday (April 28).
The preliminary card starts at 4 PM ET / 1 PM PT / 8 PM GMT (Saturday, April 27) | 1:30 AM IST (Sunday, April 28). The main card, meanwhile, starts at 7 PM PM ET / 4 PM PT / 11 PM GMT (Saturday, April 27) | 4:30 AM IST (Sunday, April 28).
The main card of UFC Vegas 91 will be shown live on Sony Sports TEN 2 channels and live streamed via Sony LIV app or website with a premium subscription in India. Meanwhile, the entire card will be available on ESPN+ in the United States.
UFC Vegas 91 Main Card: The main card is headlined by a flyweight top 10 contenders, and also includes a bout each in the light heavyweight, women's flyweight, featherweight, welterweight and heavyweight divisions.
UFC Vegas 91 Preliminary Card: The prelims will feature three lightweight bouts and a bout each in the women's strawweight, women's flyweight, men's bantamweight and men's heavyweight divisions.