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Alex Pereira defends his light heavyweight championship in a rematch with former champion Jiri Prochazka in the main event of UFC 303 on Saturday, June 29, in Las Vegas. The main card at T-Mobile Arena is on ESPN+ pay-per-view at 10 p.m. ET, with prelims and early prelims on ESPN and ESPN+ starting at 6 p.m.

Pereira (10-2) has won three fights in a row, including a second-round TKO of Prochazka in November that earned the Brazilian the vacant 205-pound title. Pereira is No. 3 in the ESPN pound-for-pound rankings.

Prochazka (30-4-1), who is ranked second (behind Pereira) in the ESPN light heavyweighht rankings, has won 14 of his last 15, with the Pereira fight his only defeat since 2015.

Here's everything to know about watching or streaming UFC 303, including all 13 fights on the card. Check back here afterward for results and how to watch replays of each matchup.

Watch the PPV and all other fights on ESPN+: Get ESPN+ here.

Watch the prelims and early prelims on ESPN. Download the ESPN App | WatchESPN | TV schedule

Don't have ESPN? Get instant access.

Purchased the fight on your phone and want to stream on your TV? Find out how here.

There's also FightCenter, which offers live updates for every UFC card.

ESPN+ PPV, 10 p.m. ET Light heavyweight championship: Alex Pereira (c) vs. Jiri Prochazka Lightweight: Brian Ortega vs. Diego Lopes Light heavyweight: Anthony Smith vs. Roman Dolidze Women's bantamweight: Mayra Bueno Silva vs. Macy Chiasson Welterweight: Ian Machado Garry vs. Michael Page ESPN/ESPN+, 8 p.m. Middleweight: Joe Pyfer vs. Marc-Andre Barriault Featherweight: Cub Swanson vs. Andre Fili Featherweight: Charles Jourdain vs. Jean Silva Men's bantamweight: Payton Talbott vs. Yanis Ghemmouri ESPN/ESPN+, 6 p.m. Strawweight: Michelle Waterson-Gomez vs. Gillian Robertson Heavyweight: Andrei Arlovski vs. Martin Buday Men's flyweight: Rei Tsuruya vs. Carlos Hernandez Men's bantamweight: Ricky Simon vs. Vinicius Oliveira (c) = defending champion

Alex Pereira sits down with Brett Okamoto to discuss broken toes, changing tires and his upcoming title defense against Jiri Prochazka at UFC 303 in Las Vegas.

Hale: Pereira helps stranded motorist change tire

Conor McGregor was scheduled to return at UFC 303, but a toe injury is the latest saga for the Irishman. McGregor has chased the professional and monetary highs he reached nearly seven years ago since the night he walked out of the boxing ring against Mayweather. What's transpired since 2017 is just one UFC win and countless setbacks, including: arrests, injuries, lawsuits and multiple allegations of sexual assault.

Read the entire story here.

Conor McGregor was on hand for the Bellator Dublin event to support Sinead Kavanagh in her fight against Arlene Blencowe. After the Blencowe-Kavanagh match, McGregor spoke in the postfight interview and detailed his injury status along with his plans to return to the Octagon later in the year.

Saturday's reinvigorated main event is a rematch of the fiery fight last November in which Alex Pereira won the belt. It was tightly contested and swung in both directions -- mostly toward Jiri Procházka, honestly -- before Pereira landed a left hook counterpunch in Round 2 that was the beginning of the end. Speaking of beginnings, though: The most spine-tingling highlight came during prefight introductions, when the fighters stood in their corners staring across the cage at each other, neither man moving a muscle. If Pereira and Procházka can bring that chilling energy again Saturday, we're in for a good one.

Several storylines will play out at UFC 303. Here are the most intriguing, framed as questions to be answered on fight night.

Read the entire story here.

Brett Okamoto spoke to UFC light heavyweight and ESPN analyst Anthony Smith to get his perspective on the UFC main event. ESPN betting experts Ian Parker and Reed Kuhn add their insight and analysis on the UFC main event and other intriguing bets they like on this weekend's fight cards.

Read the entire story here.

In advance of his UFC 303 fight, Ian Machado Garry met this week with the UFC broadcast team -- along with a special guest, his young son, who had Daniel Cormier, Jon Anik and the rest of the crew in stitches with his spot-on fighter impersonations. Check out which UFC stars the youngster mimicked -- hint: One is headlining on Saturday, and another was supposed to -- and see why backstage interviewer Megan Olivi called this "the greatest fighter meeting of all time, absolutely amazing."

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