McGregor Returns After 5 Years to Face Holloway at UFC 329

Five years away, a serious leg injury, and the passage of time
McGregor returns to the octagon for the first time since his catastrophic injury in 2021.

After five years of silence shaped by injury, false starts, and the slow passage of time, Conor McGregor returns to the UFC octagon this Saturday in Las Vegas — a city that has long served as the stage for sport's most theatrical reinventions. His opponent is Max Holloway, a man he once defeated in obscurity when both were still becoming themselves, and who now arrives as a seasoned champion in his own right. The rematch is less a sporting event than a philosophical question: can a fighter reclaim not just his form, but the version of himself that made him matter?

  • McGregor's return carries the full weight of a five-year absence — a compound leg fracture in 2021, a withdrawn comeback in 2024, and a career that seemed, for a long time, to be quietly closing.
  • Holloway is no longer the unknown prospect McGregor dispatched in 2013; he is a former champion who has traded title shots and knockouts at the highest level, making this rematch genuinely unpredictable.
  • Both men step into welterweight for the first time, stripping away the comfort of familiar weight classes and adding another layer of uncertainty to an already loaded contest.
  • Paddy Pimblett's co-headline slot sharpens the card's emotional stakes — the Liverpool fighter chasing redemption after his first UFC loss, against a French contender on a four-fight knockout streak.
  • UFC 329 airs Saturday July 11 from the T-Mobile Arena, live on TNT Sports Box Office and HBO Max, with the UK main card beginning at 2am BST — a late-night reckoning for those willing to wait.

Conor McGregor returns to the UFC octagon this Saturday for the first time since August 2021, when a compound fracture of his left tibia ended his trilogy fight against Dustin Poirier in the opening round. The injury cast doubt over whether he would ever compete again. A planned comeback at UFC 303 collapsed due to a toe injury, and the silence stretched on. Now 37, McGregor faces Max Holloway at UFC 329 in Las Vegas — a rematch that reaches back to 2013, when the two met on a preliminary card with McGregor still an unknown, winning by decision in just his second UFC appearance.

The intervening years have transformed both men. Holloway became a featherweight champion, won the BMF title with a last-second knockout of Justin Gaethje, and has continued fighting at the sport's highest level. He arrives at welterweight for the first time, as does McGregor, making this not merely a nostalgic rematch but a genuine unknown for both fighters.

The card around them is rich with its own narratives. Paddy Pimblett co-headlines, seeking immediate redemption after his first UFC loss to Gaethje in January, now facing France's Benoit Saint Denis — ranked fifth in the lightweight division and riding four consecutive wins. The main card also features a bantamweight rematch between Cory Sandhagen and Mario Bautista, and London's Lone'er Kavanagh against former flyweight contender Brandon Royval.

The event takes place at the T-Mobile Arena on Saturday July 11, with the UK main card beginning at 2am BST on TNT Sports Box Office (£19.99) and HBO Max. What Saturday night ultimately offers is a rare thing in sport: a test of whether the fighter McGregor once was still lives inside the man he has become, measured against an opponent who never stopped evolving.

Conor McGregor steps back into the octagon this weekend for the first time in five years, a return that carries the weight of a long silence and a gruesome injury that nearly ended his career. He will face Max Holloway at UFC 329 in Las Vegas on Saturday night, in a rematch that bookends more than a decade of both fighters' careers—they first met in 2013 when McGregor was still an unknown prospect on the preliminary card of a minor event, winning by decision in just his second UFC appearance.

The intervening years have been unkind to McGregor's fight schedule. His last bout came in August 2021, when a compound fracture of his left tibia ended his trilogy fight against Dustin Poirier in the first round of UFC 264. The injury was severe enough that McGregor's return seemed uncertain for a long time. He was supposed to fight Michael Chandler at UFC 303 two summers ago, but withdrew due to a toe injury, pushing his comeback further into the future. Now 37, approaching his 38th birthday, McGregor will meet Holloway at welterweight—a weight class neither fighter has competed in before, at least not in this context.

Holloway arrives at this fight as a seasoned veteran himself, a former featherweight and lightweight champion who has spent recent years chasing another title run. He won the ceremonial BMF title with a stunning last-second knockout of Justin Gaethje, only to lose it to Charles Oliveira at UFC 326 in March. Before that, he suffered a failed title attempt against Ilia Topuria and beat Dustin Poirier in what was Poirier's retirement fight. At 34, Holloway is stepping up to welterweight for the first time in his career, making this not just a rematch but a genuine unknown.

The card around them is substantial. Co-headlining is Paddy Pimblett, the Liverpool fighter seeking immediate redemption after his first UFC loss to Justin Gaethje in January. Pimblett faces Benoit Saint Denis, a French lightweight ranked fifth in the division and riding a four-fight winning streak that includes knockouts of both Dan Hooker and Beneil Dariush. The main card also features a bantamweight rematch between Cory Sandhagen and Mario Bautista, with Sandhagen having won their 2019 encounter by early submission. Lone'er Kavanagh, fighting out of London, takes on former flyweight title contender Brandon Royval, while King Green—a former opponent of Pimblett's—battles Terrance McKinney.

The event takes place at the T-Mobile Arena in Las Vegas on Saturday, July 11, 2026. In the UK, the main card begins at 2am BST, with preliminary fights starting at midnight and early preliminary bouts at 10pm. The broadcast is available on TNT Sports Box Office for £19.99, or through HBO Max. In the United States, the event airs on Paramount+. The early preliminary fights are exclusive to UFC Fight Pass, which costs £6.99 monthly or £71.99 annually in the UK.

For McGregor, this fight represents more than a simple return to competition. It is a test of whether five years away, a serious leg injury, and the passage of time have diminished what made him dangerous in the first place. Holloway, meanwhile, is a fighter still in his prime, still hungry for another title shot, and now facing an opponent whose mystique has only grown during his absence. The rematch carries the strange weight of history—two fighters who met when one was nobody, now meeting again when both are somebodies, in a different weight class, at different stages of their careers. What happens between them on Saturday night will tell us something about the nature of comebacks in combat sports, and whether the fighter McGregor was still exists inside the man he has become.

McGregor has not fought for five years, with his last bout coming in August 2021 when he suffered a gruesome leg break during the first round of his trilogy fight against Dustin Poirier
— UFC records
The Hearth Conversation Another angle on the story
Inventor

Why does this fight matter so much? It's not a title shot.

Model

Because McGregor hasn't fought in five years. The leg break in 2021 was catastrophic—the kind of injury that ends careers. This is about whether he can still do it at all, not whether he can win a belt.

Inventor

And Holloway—he's a champion too, right?

Model

Former champion. He's been chasing another title run but hasn't quite gotten there. He's still dangerous, still in his prime. But he's also stepping up to welterweight for the first time, which is a real unknown.

Inventor

So both fighters are taking a risk here.

Model

Exactly. McGregor is risking that he's lost too much time, that the injury has taken something irreplaceable. Holloway is risking that moving up in weight will expose him, or that fighting someone with McGregor's name and mystique will be different than what he's prepared for.

Inventor

They fought before, though. Thirteen years ago?

Model

Right, but McGregor was a nobody then—his second UFC fight. He won by decision on a preliminary card. Now they're meeting as established fighters, at a different weight, with completely different stakes. It's almost like a different fight entirely.

Inventor

What about the rest of the card?

Model

Paddy Pimblett is trying to bounce back from his first loss. Sandhagen and Bautista are running back a fight from 2019. There's real depth there. But everyone is watching McGregor. That's the story.

Inventor

And if he loses?

Model

Then we know something changed. If he wins, we don't know if it's because he's still elite or because Holloway couldn't adjust to welterweight. Either way, it answers a question that's been hanging for five years.

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