Previously NewsNews home
Johnny Walker at UFC 332 in October 2026, where he knocked out Mick Parkin in the first round of his heavyweight debut
Photo: Rob Gray / Imagn Images
UFC — UFC VEGAS 124, META APEX, LAS VEGAS

UFC Vegas 124 Preview: Cortes-Acosta vs. Walker Headlines a Rebuilt Card

Sean Brady's withdrawal blew up the original main event. In its place Saturday at the Meta APEX: two heavyweights on short notice, a strawweight co-main event with title stakes, and a 40-year-old fan favorite against an unbeaten UFC prospect.

Advertisement
Previously.Your brand hereAdvertise with us →
Share

Saturday's UFC Vegas 124 card at the Meta APEX is not the card the UFC built. It is the card the UFC rescued. The original main event — Sean Brady against Gabriel Bonfim at welterweight — fell apart when Brady withdrew, with Yardbarker's preview reporting a knee staph infection and MMA Junkie reporting an injury; either way, the headliner was gone and Bonfim was left without a dance partner, with Cageside Press reporting he is expected to be rebooked on a future card. What replaced it might honestly be more fun: a five-round heavyweight main event between Waldo Cortes-Acosta and Johnny Walker, two finishers who both fought last month, both said yes on short notice, and neither of whom is known for leaving things to the judges. The main card starts at 8 p.m. ET / 5 p.m. PT on Paramount+, with prelims at 5 p.m. ET / 2 p.m. PT.

The main event: range against pressure

Start with the tale of the tape, because it tells the story. Cortes-Acosta is 35, stands 6-foot-4 with a 78-inch reach, and brings a 17-4 record built on pressure boxing — his signature win came against Derrick Lewis, another heavyweight who only needs one clean look. Walker is 34, stands 6-foot-6 with an 82-inch reach, and at 23-10 he remains the most gloriously unpredictable striker in the sport: flying knees, spinning kicks, bursts of offense nobody coaches and nobody can quite drill against. The Brazilian made his heavyweight debut just last month at UFC 332 in Salt Lake City and knocked out Mick Parkin with a knee at 3:35 of the first round, earning a $100,000 Performance of the Night bonus, Sherdog reported. Then the UFC called again. "Mick [Maynard] messaged me and offered me this fight, and I said, 'Okay, let's do it. Why not?'" Walker said, per SuperSport — a nine-day call-up to a main event, in a new division, accepted like a man being offered a sandwich.

The honest questions sit on both sides. Cortes-Acosta is trying to stop the first two-fight skid of his career after decision losses to Alexander Volkov and Curtis Blaydes exposed him against elite grapplers and high-volume heavyweights; he needs to get inside Walker's long guard and make this a phone-booth fight without walking onto a knee. Walker's own history is the other question — the defensive lapses that produced knockout losses at light heavyweight have not followed him up in weight yet, emphasis on yet, and Cortes-Acosta hits hard enough to ask the question properly. Whoever imposes their distance first probably wins this, and given both men's finishing instincts, the judges may get the main event off.

Advertisement
Virna Jandiroba elbows Tabatha Ricci during their strawweight fight at the Meta APEX on April 4, 2026
Virna Jandiroba fights at the APEX again on Saturday, this time with a possible title shot on the line. Photo: Jeff Bottari / Zuffa LLC via Getty Images

The co-main event has the real stakes

For all the heavyweight chaos on top, the most consequential fight on the card might be the co-main: Tatiana Suarez against Virna Jandiroba, the No. 2 and No. 3 strawweights in the division, per RG's preview. Suarez (13-1) has won two straight, most recently submitting Loopy Godinez with a second-round rear-naked choke at UFC 327 in April, and her wrestling remains the division's great unsolved problem when she is healthy — the catch being that health has interrupted her career for years. Jandiroba (23-4) is a jiu-jitsu ace who has ground down contender after contender; her only recent losses came against champion Mackenzie Dern. MMA Mania's breakdown frames it cleanly: Suarez will brave the grappling anyway, because her takedowns are the fight, and Jandiroba's submissions mostly come from dominant positions rather than off her back. Fifteen minutes, two elite grapplers, and a very plausible claim on the next title shot for the winner. This is the fight the rankings people will be quoting on Monday.

The rest of the main card

The best pure matchmaking on the card might be Davey Grant against Elijah Smith at bantamweight. Grant, 40, makes his 17th UFC appearance with an 18-8 record and a nonstop, all-levels striking game that has made him one of the sport's great action fighters; Smith is unbeaten in three UFC outings and, per MMA Mania, has run over his opposition with power takedowns — while giving up a 16-year age gap to a veteran who has made a career of ruining prospect timelines. At welterweight, Seokhyeon Ko is the card's biggest favorite against Wellington Turman — MMA Mania's FanDuel look had Ko at -800 — though Turman's eight submission wins make him live from anywhere the fight scrambles. Billy Elekana, winner of three straight, meets former LFA champion Lucas Fernando at light heavyweight in a matchup of rangy kickboxers. And the main card opens at middleweight with Mantas Kondratavicius (9-1, six wins by TKO, per RG) against Andre Petroski, a wrestler who has lost three in a row and badly needs to remind everyone what his first five UFC wins looked like.

Davey Grant kicks Adrian Luna Martinetti during their bantamweight fight at the Meta APEX on April 25, 2026
Davey Grant, at 40, welcomes unbeaten-in-the-UFC prospect Elijah Smith to the deep end. Photo: Jeff Bottari / Zuffa LLC via Getty Images

The prelims, from Yardbarker's full card listing: Mitch Raposo vs. Marcos Degli at flyweight, Gabriel Lorenço vs. Thomas Petersen at heavyweight, Karine Silva vs. Gabriella Fernandes at women's flyweight, Jose Delano vs. Murtazali Magomedov and Keiichiro Nakamura vs. Ollie Schmid at featherweight, Austin Bashi vs. Carlos Calderon at featherweight — Calderon, the Fury FC featherweight champion, stepped in on four days’ notice after Brennan tore his ACL, per MMA Fighting — Priscila Cachoeira vs. Nina Milošević at women's bantamweight, and Jonny Parsons vs. José Souza at welterweight.

Seokhyeon Ko punches Jean-Paul Lebosnoyani during their welterweight fight in Oklahoma City on July 18, 2026
Seokhyeon Ko enters Saturday as the main card's biggest betting favorite. Photo: Jeff Bottari / Zuffa LLC via Getty Images

Previously Staff’s read: Rebuilt cards have a habit of overdelivering, and this one has the ingredients — a heavyweight main event between two men on a month's turnaround with four extra inches of reach on one side and all the pressure on the other, a co-main that functions as a title eliminator, and a 40-year-old who refuses to act his age against a prospect who has never lost in the Octagon. After last Saturday's controversy-soaked Vegas 123, the APEX owes us a clean one. Today's fight roundup has the rest of the week in the fight game — Ilia Topuria’s return window, the stand-up argument that will not die, and the weekend’s boxing in Texas.

Mantas Kondratavicius punches Antonio Trocoli during their middleweight fight in London on March 21, 2026
Mantas Kondratavicius has finished six of his nine wins by TKO heading into Saturday. Photo: Chris Unger / Zuffa LLC via Getty Images
Sources · 7 sources
  • UFC Fight Night: Cortes-Acosta vs. Walker preview & storylines Yardbarker / Athlon Sports
  • UFC Vegas 124 gets new main event MMA Junkie
  • UFC Vegas 124 main card odds, breakdowns and predictions MMA Mania
  • UFC Vegas 124 odds: Cortes-Acosta vs. Walker picks and best bets RG
  • Johnny Walker reacts to nine-day call-up for UFC main event talkSPORT
  • Walker ‘always ready’ as UFC Vegas 124 looms closer SuperSport
  • Johnny Walker’s brutal heavyweight debut KO earns UFC 332 bonus Sherdog
Keep reading

More from the newsroom

All stories →
Aerial view of Meta's headquarters campus in Menlo Park, California, with the Meta sign visible at the entrance.
AI Is Eating the ClickNews· Nov 1, 2026
Emergency personnel and police officers work behind a tape line at the scene of the shooting near Legion Field in Birmingham, Alabama, on Saturday night.
Shooting After Magic City Classic Leaves One Dead, Eight WoundedNews· Nov 1, 2026
The Swift spacecraft in a clean room at Cape Canaveral in 2004, technicians in protective suits removing its final covers before launch
NASA's Swift Was Planned for Two Years. It Flew for Twenty-Two.News· Oct 31, 2026
Kiah Stokes of the Golden State Valkyries (left) and Angel Reese of the Atlanta Dream (right) during Game 6 of the 2026 WNBA Finals
Dream vs. Valkyries: The First Game 7 in WNBA Finals HistoryNews· Oct 31, 2026
Breguet No. 160, the Marie-Antoinette watch — its transparent rock-crystal dial and gilt movement on display at the L.A. Mayer Institute in Jerusalem.
The Queen Never Saw Her $30 Million WatchNews· Oct 31, 2026
ARCHIVE — Martinsville Speedway grandstands and infield transporters in 2022. This photograph does not show Tristan McKee’s October 30, 2026 qualifying session.
McKee Put the Truck Field on Notice at Martinsville.News· Oct 31, 2026