International Fight Week always delivers a spectacle, and UFC 329 at the T-Mobile Arena in Las Vegas is the biggest card of the year. The headline needs no embellishment: Conor McGregor returns to the Octagon for the first time in roughly five years, meeting Max Holloway in a welterweight main event — a rematch of a 2013 featherweight bout that McGregor won by decision. As an official UFC partner, Stake has the whole card covered. Here is the preview, plus a plain-English guide to betting mixed martial arts.
The main event: McGregor vs Holloway 2
McGregor’s last appearance was UFC 264 in July 2021, the night he broke his leg. Nearly five years out is an eternity in MMA, and the oddsmakers reflect that: McGregor comes in as a clear underdog against a fighter in Holloway who has stayed remarkably active, durable and busy, and who is now stepping up to welterweight for this fight.
Stylistically, this is a classic power-versus-volume question. McGregor’s left hand remains one of the most dangerous single weapons the sport has seen, and one clean shot can end any fight — that is exactly why an underdog price on him is not free money to fade. But the counter-case is strong: ring rust after a long layoff, a step up in weight, and an opponent whose relentless output and famous chin are built to punish anyone who cannot keep pace. When these two met in 2013, both were young featherweights at the start of their careers; this is a very different fight.
It is also worth weighing the intangibles. A five-year absence raises questions not just about timing and reflexes but about weight, wear and the psychological toll of a serious injury and a long road back. Holloway, by contrast, arrives battle-tested and in rhythm, though moving up in weight is its own gamble — more power to absorb, and a different kind of opponent to manage. For bettors, the honest position is that this is a genuinely difficult fight to call with confidence, which is exactly why disciplined staking matters more here than a strong opinion.
The undercard worth watching
A blockbuster main event is only half the card, and UFC 329 has a genuinely deep undercard:
- Paddy Pimblett vs Benoit Saint-Denis — a lightweight crossroads fight with real divisional stakes and two crowd-pleasing finishers.
- Robert Whittaker makes his light heavyweight debut, a former middleweight champion testing himself against bigger men.
- Cory Sandhagen vs Mario Bautista — a high-level bantamweight match-up between two of the division’s most technical operators.
- Olympic wrestling gold medallist Gable Steveson makes his UFC debut, one of the most anticipated crossover debuts in recent memory.
How MMA betting markets work
Moneyline. The core market — simply picking who wins the fight. Favourites carry short prices, underdogs longer ones. In MMA, underdogs win more often than in many sports, because a small cage and four-ounce gloves make one exchange decisive.
Method of victory. You predict not just who wins but how — KO/TKO, submission or decision. Because you are being more specific, the odds are longer.
Round betting and over/under rounds. You back which round a fight ends, or whether it lasts beyond a set time (for example, over or under 1.5 rounds). These are excellent for expressing a read on finishers versus decision-goers.
Fight to go the distance. A simple yes/no on whether the fight reaches the final bell — a clean way to bet a stylistic hunch.
Props, parlays and bet builders. Combine multiple picks for bigger potential returns and bigger risk, or bet specials such as a fighter to score a knockdown. Fun, but every leg you add lengthens the odds against you.
How to read a fight card
- Styles make fights. Pressure strikers, volume strikers, wrestlers and submission specialists all match up differently — the tale of the tape only tells part of the story.
- Layoffs and short-notice changes matter. Always check who is actually fighting on the day; replacements and weight-cut issues reshape a card.
- Division changes shift the maths. A move up in weight, like Holloway’s, can alter power, durability and cardio dynamics in ways past results do not capture.
- Variance cuts both ways. The same one-punch potential that makes underdogs live also makes favourites vulnerable. Respect it in your staking.
Reading MMA odds and finding value
MMA odds work like any other market: they are an implied probability. A decimal price of 1.50 implies roughly a 67% chance, while 2.50 implies about 40%. Divide 100 by the decimal odds to get the implied probability, and remember the bookmaker’s margin means the two fighters’ implied chances add up to more than 100%. Because the moneyline is sharp on high-profile fights, better value often sits in the derivative markets. Method-of-victory and round betting reward a specific, well-reasoned read — for example, backing a knockout artist to win inside the distance rather than simply to win. Parlays and bet builders look attractive because the odds balloon, but every leg multiplies the house margin against you, so keep them small and treat them as a flutter rather than a strategy.
What is really at stake
Beyond the result, UFC 329 carries real consequences. For McGregor, a win after five years away would instantly reopen a list of blockbuster money-fights and confirm one of the sport’s great comebacks; a loss would raise hard questions about whether the layoff has finally caught up with him. For Holloway, beating the biggest name in the sport — and at a new weight — would be a statement that reshapes his own future. Further down the card, the Pimblett–Saint-Denis winner strengthens their case in one of the deepest divisions in the sport, and every ranked bout has knock-on effects for future match-making. Those stakes are part of what makes the card compelling, but they should sharpen your reading of the fights, not tempt you into betting with your heart.
Bet the fights, not your feelings
McGregor’s comeback will pull in a wave of heart-over-head money, and that sentiment is a big reason his price sits where it does. The market has already accounted for the fairytale. Whichever way you lean, bet with a plan rather than with hope, and remember that a marquee card is designed to be entertainment first.
Play responsibly. Set deposit and loss limits before the card starts, and treat your stake as entertainment spend, not an investment. MMA betting is 18+ only (or the legal age where you live). Use the account tools available to you, take breaks, and reach out to independent support services if betting stops being fun or starts to feel like a problem.
UFC 329 headlines International Fight Week in Las Vegas, with the 2026 Hall of Fame celebrations alongside it. Check your local broadcaster for viewing details, do your homework on the match-ups, and enjoy one of the biggest nights the sport has produced in years.
