McGregor blows out his knee 69 seconds into return

UFC 329 delivered one of the most anticlimactic main events in company history: Conor McGregor's five-year comeback ended in 69 seconds when his knee gave out on the opening kick, handing Max Holloway a hollow TKO. Beneath it, a finish-heavy card reshaped several divisions — Paddy Pimblett anointed himself the promotion's new star, Robert Whittaker announced himself at light heavyweight, and Gable Steveson's hype survived contact.

McGregor's comeback ends in 69 seconds as his knee buckles

Conor McGregor's first fight in five years was over almost before it started at T-Mobile Arena. He appeared to blow out his right knee throwing a jumping roundhouse kick in the opening seconds, collapsed repeatedly, and referee Mike Beltran waved it off at 1:09 of Round 1, giving Max Holloway a TKO win. Dana White said the working assumption is a torn ACL pending an MRI; McGregor refused crutches leaving the arena. He has now lost four of his last five and, at nearly 38 with another serious leg injury, his future is in doubt.

Why it matters: The sport's biggest draw goes down without landing a punch, facing potentially another year out or the end of his career — and Holloway wins the rivalry without the satisfaction, already floating a trilogy.

Pimblett sleeps Saint-Denis in 52 seconds, declares himself UFC's new face

Paddy Pimblett stole the show in the co-main event, catching Benoit Saint-Denis with a D'arce choke off an ill-advised takedown attempt and putting him fully unconscious 52 seconds into the first round. It was Pimblett's first fight since losing an interim-title bid to Justin Gaethje in January, and it earned a $100,000 Performance of the Night bonus. Reacting live to McGregor's injury backstage, he proclaimed himself the promotion's new top star and called his jiu-jitsu 'the best in the world,' naming Ilia Topuria, Arman Tsarukyan, Charles Oliveira and a Gaethje rematch as options.

Why it matters: With McGregor sidelined indefinitely, the UFC's biggest remaining draw at lightweight just made an emphatic case to headline — and a Topuria grudge match is the matchmaking everyone is calling for.

Whittaker TKOs Krylov in light heavyweight debut

Robert Whittaker answered doubts about his move up a division, stopping Nikita Krylov via third-round TKO in his 205-pound debut. Outwrestled early and giving up visible size, the former middleweight champion took over with a fast jab and counter right hands, then landed a clean right in the third that appeared to break Krylov's jaw and forced him to quit at 1:01. It snapped Whittaker's two-fight middleweight skid and made him a winner in three UFC weight classes.

Why it matters: Whittaker instantly becomes a live contender in a light heavyweight division he says is his natural home, changing the conversation at 205 after his middleweight run stalled.

Gable Steveson's hype survives contact with a first-round KO

Olympic gold medalist Gable Steveson, one of the biggest betting favorites in UFC history, delivered on the hype in his promotional debut, stopping former police officer Elisha Ellison with punches and knees at 2:31 of Round 1. Cornered by Jon Jones, the wrestler out-landed Ellison 41-14 and looked to hurt him rather than grapple, keeping all four of his pro wins to first-round knockouts. He looked raw in spots but finished emphatically.

Why it matters: The UFC is banking on Steveson as a heavyweight crossover star, and a clean knockout debut keeps that project on the fast track.

Bautista avenges 2019 loss, wrecks Sandhagen's knee

Mario Bautista got revenge on Cory Sandhagen seven years after Sandhagen submitted him in Bautista's short-notice UFC debut, taking a unanimous decision (29-28 across the board). A Suloev stretch late in the first round appeared to injure Sandhagen's left knee, hobbling him for the rest of the fight; Bautista dropped him with a left hook to open the third and rag-dolled him with takedowns down the stretch. Bautista has now won 10 of his last 11.

Why it matters: A grinding win over a former title challenger pushes Bautista up a stacked bantamweight ladder, while Sandhagen's title hopes take another hit after losing to Merab Dvalishvili last year.

Garbrandt hints at retirement after Yanez knockout

Former bantamweight champion Cody Garbrandt was knocked out by Adrian Yanez inside three minutes on the prelims, wobbled by a counter and finished at 2:47 of Round 1 for his eighth career loss and third in four fights. He removed his gloves in the cage while awaiting the result but did not lay them down, and left without a post-fight interview, strongly hinting his run is over. Yanez, who credited coach Sayif Saud with talking him off a firefight, scored his first win in two years.

Why it matters: A 2016 champion looks to be at the end of the line, while Yanez resurrects a stalled career and re-enters the bantamweight picture.

King Green completes buzzer-beating comeback on McKinney

In a Round-of-the-Year contender that opened the main card, 39-year-old King Green survived an early beating from Terrance McKinney — a submission scare and full mount included — before dropping McKinney with a liver shot and finishing with punches with one second left in Round 1. The comeback earned a $100,000 Performance of the Night bonus and extended Green's win streak to four; he wants to fight again in September.

Why it matters: A veteran written off years ago is in the best run of his career, and his throwback style keeps making him one of the lightweight division's most watchable acts.

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