UFC 329 pre-event facts: What records does Conor McGregor still hold after 5 years off?

The 14th annual International Fight Week has finally arrived, and it all concludes with the highly anticipated UFC 329 event on Saturday at T-Mobile Arena in Las Vegas (Paramount+).

The biggest name in MMA history headlines, with former two-division champion Conor McGregor (22-6 MMA, 10-4 UFC) set to return from a five-year layoff in a rematch with former UFC and BMF titleholder Max Holloway (27-9 MMA, 23-9 UFC), whom he beat by unanimous decision in their first meeting at UFC Fight Night 26 in August 2013.

Both men have come a long way since then and stacked UFC history around their names in the record books. They aren’t the only ones with notable resumes, though.

Check below for MMA Junkie’s UFC 329 pre-event facts to get all the stats and info before fight night.

Conor McGregor vs. Max Holloway

Conor McGregor

Conor McGregor of Ireland sits on the mat after injuring his ankle in the first round in his lightweight bout against Dustin Poirier during UFC 264: Poirier v McGregor 3 at T-Mobile Arena on July 10, 2021 in Las Vegas, Nevada.

McGregor returns to competition for the first time since July 10, 2021. The 1,827-day layoff is the longest of his more than 18-year career.

McGregor became the first simultaneous two-division champion in UFC history when he defeated Eddie Alvarez at UFC 205.

McGregor is one of four fighters in UFC history to be a simultaneous two-division champion. Daniel Cormier, Amanda Nunes, and Henry Cejudo also accomplished the feat.

McGregor is one of 11 fighters in UFC history to win titles in two weight classes. Cormier, Nunes, Cejudo, Georges St-Pierre, Randy Couture, B.J. Penn, Jon Jones, Alex Pereira, Islam Makhachev and Ilia Topuria also accomplished the feat.

McGregor has earned 19 of his 22 career victories by knockout. He finished 17 of those wins in Round 1.

McGregor is one of 18 fighters in UFC history to earn victories in three weight classes.

McGregor is one of three fighters in UFC history to earn a knockout victory in three different weight classes. Vitor Belfort and Jared Cannonier also accomplished the feat.

McGregor is one of seven fighters in UFC history to earn three knockdowns in a single fight on two separate occasions. Carlos Prates, Marlon Vera, Donald Cerrone, Israel Adesanya, Anderson Silva, and John Lineker also accomplished the feat.

McGregor is one of two fighters in UFC history to earn three knockdowns in a single fight in two separate weight classes. A. Silva also accomplished the feat.

McGregor’s 13-second knockout of Jose Aldo at UFC 194 marked the fastest title-fight stoppage in UFC history.

McGregor is the only fighter in UFC history to receive fight-night bonuses in eight consecutive bouts. No one else has been awarded a bonus in more than seven straight fights.

Max Holloway

Holloway is one of two fighters in UFC history to win an interim, undisputed and BMF title. Justin Gaethje also accomplished the feat.

Holloway is the only fighter in UFC history to defend the BMF title.

Holloway’s knockout at the 4:59 mark of Round 5 at UFC 300 is the latest stoppage in a UFC championship fight (BMF bouts included).

Holloway moves up to the welterweight division for the first time. He’s previously competed at lightweight and featherweight.

Holloway’s total fight time of 8:52:43 in UFC competition is most in company history.

Holloway’s 23 victories in UFC competition are tied with Andrei Arlovski and Donald Cerrone for fourth-most in company history behind Jim Miller (27), Charles Oliveira (25) and Neil Magny (24).

Holloway and Oliveira entered their UFC 326 rematch with a combined 47 UFC victories, the record for most in a single matchup in company history.

Holloway’s 20 victories in UFC featherweight competition are the most in divisional history.

Holloway’s 11 knockout victories in UFC competition are tied for fourth-most in company history behind Derrick Lewis (16), Matt Brown (13) and Belfort (12).

Holloway’s 11 stoppage victories in UFC featherweight competition are the most in divisional history.

Holloway’s nine knockout victories in UFC featherweight competition are most in divisional history.

Holloway’s seven third-round stoppage victories in UFC competition are most in company history.

Holloway has landed 100 or more significant strikes in 17 separate UFC fights, the most in company history. Sean Strickland rankings second with 11 such performances.

Holloway has landed 200 or more significant strikes in three separate UFC fights, the most in company history.

Holloway has landed 3,681 significant strikes in UFC competition, the most in company history.

Holloway has landed 3,980 total strikes in UFC competition are most in company history.

Holloway holds the record for most consecutive UFC fights without being knocked down at 29. His streak was ended by Ilia Topuria at UFC 308.

Holloway has absorbed 2,457 significant strikes in UFC competition, the most in company history.

Holloway landed 445 significant strikes against Calvin Kattar at UFC on ABC 1, the single-fight UFC record. His 744 significant strike attempts in that bout are also a single-fight record.

Holloway landed 447 total strikes at UFC on ABC 1, the single-fight UFC record. The previous high was 361. His 746 total strike attempts are also a single-fight record.

Holloway landed 141 significant strikes in Round 4 at UFC on ABC 1, the single-round UFC record.

Holloway’s 10 fight-night bonuses for UFC featherweight bouts are second-most in divisional history behind Cub Swanson (11).

Benoit Saint Denis vs. Paddy Pimblett

Sep 6, 2025; Paris, FRANCE; Benoit Saint Denis (red gloves) before the fight against Mauricio Ruffy (blue gloves) during UFC Fight Night at Accor Arena. Mandatory Credit: Per Haljestam-Imagn Images

Benoit Saint Denis’ (17-3 MMA, 9-3 UFC) four-fight UFC winning streak at lightweight is tied for the fourth-longest active streak in the division behind Arman Tsarukyan (five), Quillan Salkilld (five) and Tom Nolan (five).

Saint Denis has earned all 17 of his career victories by stoppage.

Saint Denis’ nine victories since 2022 in UFC lightweight competition are most in the division.

Saint Denis’ nine stoppage victories since 2021 in UFC competition are most in the company.

Saint Denis’ four-fight UFC stoppage streak is tied with Manel Kape and Valter Walker for longest among active fighters on the roster.

Saint Denis lands 61.5 percent of his significant strike attempts in UFC lightweight competition, the highest rate in divisional history.

Cory Sandhagen vs. Mario Bautista

Mar 25, 2023; San Antonio, Texas, USA; Marlon Vera (red gloves) fights Cory Sandhagen (blue gloves) during UFC Fight Night at AT&T Center. Mandatory Credit: Aaron Meullion-USA TODAY Sports

Cory Sandhagen’s (18-6 MMA, 11-5 UFC) 28-second knockout victory at UFC Fight Night 184 marked the second-fastest flying knee finish in UFC history behind Jorge Masvidal’s five-second win at UFC 239.

Sandhagen is one of three fighters in UFC history to earn knockouts stemming from a flying knee and a spinning wheel kick. Elizeu Zaleski dos Santos and Edson Barboza also accomplished the feat.

Sandhagen is one of 16 fighters in UFC history to earn a knockout stemming from a spinning wheel kick. He accomplished the feat at UFC Fight Night 179.

Sandhagen and Rob Font landed 43 significant strikes at UFC on ESPN 50, the second lowest single-fight total in UFC history for a non-title, five-round bout that went to a decision. It was the fourth lowest overall in company history.

Mario Bautista’s (17-3 MMA, 11-3 UFC) four submission victories in UFC bantamweight competition are tied for third-most in divisional history behind Urijah Faber (six) and Rani Yahya (six).

Brandon Royval vs. Lone’er Kavanagh

Brandon Royval’s (17-9 MMA, 7-5 UFC) lands 5.54 significant strikes per minute in UFC flyweight competition, the second-highest rate in divisional history behind Joshua Van (8.43).

Royval and Van combined for 419 significant strikes landed at UFC 317, the most in flyweight history and third-most all-time a single UFC fight.

Royval landed 215 significant strikes landed and Van landed 204 significant strikes at UFC 317, marking the first time in UFC history where two fighters have had 200 significant strikes more in a single fight.

Royval’s five Fight of the Night bonuses for UFC flyweight bouts are most in divisional history.

King Green vs. Terrance McKinney

May 9, 2026; Newark, New Jersey, UNITED STATES; King Green (red gloves) fights Jeremy Stephens (blue gloves) during UFC 328 at Prudential Center. Mandatory Credit: John Jones-Imagn Images

King Green (35-17-1 MMA, 16-12-1 UFC) competes in his 29th UFC lightweight bout, the third-most appearances in divisional history behind Jim Miller (43) and Clay Guida (30).

Green has landed 2,007 significant strikes in UFC lightweight competition, the most in divisional history.

Green has landed 2,255 total strikes in UFC lightweight competition, the most in divisional history.

Terrance McKinney (18-8 MMA, 8-5 UFC) has earned all 18 of his career victories by stoppage. He’s finished 17 of those wins in Round 1.

McKinney’s average fight time of 2:16 in UFC competition is the shortest in company history.

McKinney has earned all eight of his UFC victories by first-round stoppage.

McKinney’s eight first-round stoppage victories since 2021 in UFC competition are most among active fighters in the company.

McKinney’s eight first-round stoppage victories in UFC lightweight competition are tied with Joe Lauzon for second-most in divisional history behind Miller (12).

McKinney’s four victories in one minute or less are tied with Belfort for second-most in company history behind Anthony Johnson (five).

McKinney’s seven-second knockout at UFC 263 is the fourth-fastest in UFC history. Jorge Masvidal holds the record with a five-second finish.

McKinney’s seven-second knockout at UFC 263 is the fastest in UFC history by a debuting fighter.

Nikita Krylov vs. Robert Whittaker

Jan 24, 2026; Las Vegas, Nevada, USA; Nikita Krylov (red gloves) reacts after the fight against Modestas Bukauskas (blue gloves) during UFC 324 at T-Mobile Arena. Mandatory Credit: Stephen R. Sylvanie-Imagn Images

Nikita Krylov (30-11 MMA, 12-9 UFC) is 6-6 since he returned to the UFC for a second stint in September 2018.

Krylov has earned 28 of his 30 career victories by stoppage. He’s finished 22 of those wins in Round 1.

Robert Whittaker (26-9 MMA, 17-7 UFC) moves to the light heavyweight division after winning the UFC title at middleweight and previously competing at welterweight.

Whittaker is one of two New Zealand-born fighters in history to win a UFC championship. Carlos Ulberg also accomplished the feat.

Whittaker is one of 16 undisputed middleweight champions in UFC history.

Whittaker’s 14 victories in UFC middleweight competition are tied for third-most in divisional history behind Michael Bisping (16) and Brad Tavares (16).

Whittaker’s nine fight-night bonuses for UFC middleweight bouts are second-most in divisional history behind Anderson Silva (12).

Gable Steveson vs. Elisha Ellison

Gable Steveson (3-0 MMA, 0-0 UFC) becomes the fifth Olympic gold medalist to fight in the UFC, along with Kayla Harrison, Henry Cejudo, Kevin Jackson and Mark Schultz. He earned gold in freestyle wrestling at the 2020 summer Olympics.

Cody Garbrandt vs. Adrian Yanez

Cody Garbrandt (15-7 MMA, 10-7 UFC) is one of nine fighters to hold the undisputed UFC bantamweight championship.

Garbrandt’s 10 knockdowns landed in UFC bantamweight competition are tied for third-most in divisional history behind Montel Jackson (12) and Vera (11).

Tracy Cortez vs. Wang Cong

Tracy Cortez (12-3 MMA, 6-2 UFC) is 4-2 since she dropped to the UFC women’s flyweight division in April 2021.

Cortez has earned nine of her 11 career victories by decision. That includes all six of her UFC wins.

Farid Basharat vs. John Garza

Farid Basharat’s (15-0 MMA, 6-0 UFC) five-fight UFC winning streak at bantamweight is tied with Raul Rosas Jr. and Raoni Barcelos for the longest active streak in the division.

Cody Durden vs. Alessandro Costa

Cody Durden (18-10-1 MMA, 7-7-1 UFC) completes 53 percent of his takedown attempts in UFC flyweight competition, the best rate among active fighters in the weight class.

Alessandro Costa (16-5 MMA, 4-3 UFC) defends 84 percent of all takedown attempts in UFC flyweight competition, the best rate among active fighters in the weight class.

UFC research analyst and live statistics producer Michael Carroll contributed to this story. Follow him on X @MJCflipdascript.

This article originally appeared on MMA Junkie: UFC 329 pre-event facts: What records does Conor McGregor still hold after 5 years off?

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