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An interim lightweight title bout between Justin Gaethje and Paddy Pimblett will top UFC 324 on Jan. 24 at T-Mobile Arena in Las Vegas, UFC CEO Dana White announced on Nov. 27, 2025. The card will be the first domestic UFC broadcast under the promotion’s new Paramount+ deal and will feature a 9 p.m. ET main-card start time. Ilia Topuria (17-0) remains the undisputed lightweight champion but has stepped away for personal reasons, prompting the UFC to install an interim belt. Promoters say the interim champion is expected to meet Topuria in a unification fight later in 2026 once Topuria is ready to return.
Key Takeaways
- Justin Gaethje (26-5) vs. Paddy Pimblett (23-3) is scheduled as the UFC 324 headliner on Jan. 24 at T-Mobile Arena, Las Vegas.
- UFC 324 marks the start of the UFC’s new domestic broadcast arrangement with Paramount+ and will have a 9 p.m. ET main-card start.
- Ilia Topuria, the undisputed lightweight champion (17-0), announced he will not fight in the first quarter of 2026 for personal reasons, creating the interim title vacancy.
- The interim title winner is expected to face Topuria in a unification bout later in 2026, per UFC statements.
- Co-main event features women’s bantamweight champion Kayla Harrison (19-1) defending versus Amanda Nunes (23-5), who is returning from retirement.
- Several former champions and top contenders are on the card, including Sean O’Malley, Alexa Grasso, Rose Namajunas, Derrick Lewis and Arnold Allen.
- Gaethje last fought in March 2025, and has said he considered retirement if not offered a title opportunity next time out.
Background
The decision to place an interim belt on the line follows Ilia Topuria’s public statement on Nov. 27 saying he would not fight in the first quarter of 2026 while he addresses a personal matter and focuses on his children. Topuria—undefeated at 17-0—made the announcement on the social platform X and asked the UFC not to stall the division. Promotion officials opted for an interim title to keep the lightweight ranks active and provide a path to an eventual unification bout.
Justin Gaethje, 37, is a long-established draw in the lightweight division with a 26-5 record and recent win over Rafael Fiziev in March 2025. He has a history of high-profile fights and knockout wins, including an interim belt in 2020 after defeating Tony Ferguson. Paddy Pimblett, 30, has risen rapidly since joining the UFC in 2021 and owns a 7-0 Octagon record with notable wins over Ferguson and Michael Chandler; his marketability has increased substantially in recent seasons.
Main Event
Dana White announced the Gaethje-Pimblett headliner during national television coverage of the NFL game between the Kansas City Chiefs and the Dallas Cowboys. The UFC framed the matchup as a high-stakes interim title fight intended to produce a clear challenger for Topuria once he returns. The promotion also set a 9 p.m. ET start for the main card to align with the new broadcast window on Paramount+.
Gaethje’s recent activity includes a March 2025 decision over Rafael Fiziev; prior to that he lost a fifth-round knockout to Max Holloway in a high-profile BMF-style attraction at UFC 300. Gaethje had publicly signaled retirement plans if his next outing did not offer a title opportunity, making the interim booking pivotal for his continuation in the sport. Pimblett, fighting out of Liverpool, has parlayed exciting finishes and a charismatic persona into rapid pay-per-view and streaming prominence, positioning him as a mainstream attraction for the promotion.
UFC 324’s co-headliner will pit current women’s bantamweight champion Kayla Harrison (19-1) against Amanda Nunes (23-5), who is coming out of retirement after her last fight in June 2023. The card also stacks several former titleholders and ranked contenders on the main card and prelims, aiming to deliver both marquee names and competitive matchups across weight classes.
Analysis & Implications
Installing an interim title while a champion is temporarily inactive is a common practice in MMA, but it carries competitive and promotional risks. For the division, the interim belt serves to maintain rankings mobility and gives contenders a concrete prize; for the UFC it secures a headline attraction for the January window and the debut of its Paramount+ partnership. The risk is that interim championships can create confusion among fans about championship legitimacy if unification is delayed.
For Gaethje, the fight represents both a competitive opportunity and a career crossroads. At 37, another title run would extend his legacy and potentially delay retirement; a loss would likely accelerate his exit plans. For Pimblett, a victory would fast-track him into the sport’s most elite tier and validate his rapid ascent from regional prospect to global headliner, altering matchmaking and promotional emphasis for the lightweight class.
Economically, a strong showing for this event would validate the UFC’s strategy to feature established names and crossover attractions on the new Paramount+ platform. A successful broadcast could strengthen the UFC’s negotiating position for future media deals and sponsorships. Conversely, a weak turnout or audience reception might prompt re-evaluation of card construction and promotional priorities in early 2026.
Comparison & Data
| Fighter | Record | Age | Notable UFC Wins |
|---|---|---|---|
| Justin Gaethje | 26-5 | 37 | Tony Ferguson, Dustin Poirier |
| Paddy Pimblett | 23-3 | 30 | Tony Ferguson, Michael Chandler |
| Ilia Topuria | 17-0 | 28 | Undisputed lightweight champ |
The table summarizes records, ages and signature wins for the main figures in the lightweight picture. Gaethje brings veteran experience and a history of high-profile knockouts; Pimblett contributes momentum and undefeated UFC streak momentum in terms of Octagon victories. Topuria’s 17-0 record underscores why the promotion views a unification bout as the logical next step for the interim titleholder.
Reactions & Quotes
The announcement prompted immediate commentary from UFC leadership and involved fighters, with Dana White emphasizing the promotional and divisional rationale behind the interim title. Observers in the MMA community noted the timing—during a national NFL broadcast—highlighted the UFC’s intent to maximize exposure for the new Paramount+ partnership.
“We wanted a big fight to launch our new domestic broadcast deal and both guys bring style and stakes,”
Dana White, UFC CEO (statement reported by ESPN)
Ilia Topuria’s public message framed his absence as a personal necessity while acknowledging the division’s need to move forward. He explicitly asked the promotion not to stall matchups while he addresses family matters.
“I won’t be fighting in the first quarter of next year. I’m going through a difficult moment in my personal life. I want to focus on my children and resolve this situation as soon as possible,”
Ilia Topuria (post on X)
Fight analysts and former competitors have offered mixed takes: some praised the matchup as commercially strong and stylistically compelling, while others questioned whether an interim belt so soon after the champion’s announcement risks diminishing title clarity. Social media reaction trended toward excitement, particularly among European and U.S. lightweight fans.
Unconfirmed
- The exact timing and date of the expected Topuria vs. interim champion unification bout have not been finalized publicly.
- Specific fight purses, pay-per-view projections and detailed Paramount+ viewership estimates for UFC 324 have not been released.
- Any potential co-promotional or international broadcast windows tied to the Paramount+ deal for this specific event remain unannounced.
Bottom Line
UFC 324 is structured to be both a sporting event and a strategic broadcast launch: the Gaethje-Pimblett interim title fight delivers immediate stakes while the co-main of Kayla Harrison vs. Amanda Nunes adds mainstream intrigue. The interim belt allows the lightweight division to progress despite Ilia Topuria’s temporary absence, but it also puts pressure on the UFC to arrange a timely unification bout to preserve championship clarity.
For fans and stakeholders, the card tests how the promotion balances legacy names, rising stars and broadcast strategy in a new media era. The outcome will shape matchmaking, commercial decisions and narrative momentum across the lightweight division into 2026.