Recent interview comments have revealed an unexpected target for the newly crowned UFC lightweight champion. A potential Justin Gaethje vs. Conor McGregor matchup has moved to the forefront of the MMA conversation. The interest doesn’t stem from official matchmaking, but from Gaethje himself entertaining the idea of defending his title against the sport’s most recognizable figure. Before analyzing the box-office appeal of the clash, however, a fundamental question remains: Does McGregor have the sporting merit to justify a championship opportunity?
Gaethje’s interest in the matchup is not accidental; there is a personal element behind his proposal, with the champion saying it would be “fun to shut him up” after years of online back-and-forth. Previously, McGregor had dismissed Gaethje, famously calling the current champion a “bum” and showing little interest in stepping into the Octagon against him.
Now, the tables have turned. Gaethje holds the undisputed lightweight title, and McGregor is on the outside looking in. For the UFC, the financial calculus is simple. McGregor brings a massive, mainstream audience that no other lightweight can command. The champion wants the payday and the legacy of a high-profile title defense.
Justin Gaethje says he'd rather fight Conor McGregor than rematch Charles Oliveira or Max Holloway
— Championship Rounds (@ChampRDS) September 2, 2026
"If I could pick anybody who would I fight again? It would've been Oliveira or Holloway but since Topuria beat them, I'm gonna go and justify it to myself like I got them back. I… pic.twitter.com/4wGtQRQ2vf
Beyond promotional hype, a significant hurdle surrounds any potential lightweight title clash. McGregor’s recent comeback fight against Max Holloway took place at welterweight, raising genuine questions about whether the Irish star will ever return to the 155-pound limit. Cutting back down to lightweight after competing at 170 pounds represents a massive physical challenge, especially while targeting another bout in 2027. A lightweight title defense cannot materialize if the challenger is unable or unwilling to make championship weight.
From a sporting perspective, however, the matchup is difficult to justify. McGregor’s comeback lasted just 69 seconds before a leg injury forced the fight to end, leaving unanswered questions about physical durability. The stark reality remains that no victory has been recorded inside the octagon since 2020. Rewarding a fighter on a multi-year drought with an immediate title shot would be difficult to justify competitively, especially with worthy contenders actively building their resumes.
Arman Tsarukyan, meanwhile, is scheduled to face Mauricio Ruffy at UFC 331 on September 19, with the outcome potentially influencing the lightweight title picture. A dominant win for Tsarukyan would stake an undeniable claim for the next shot at the belt.
Paddy Pimblett has also re-entered the title conversation after an impressive first-round submission victory over Benoît Saint Denis. While Pimblett still has work to do, particularly after his loss to Gaethje earlier this year, the division features active fighters delivering recent results.
Furthermore, the champion has effectively bypassed other top-tier contenders. While Max Holloway and Charles Oliveira hold stoppage victories over Gaethje, the titleholder is not interested in rematching them since Ilia Topuria beat them both. However, when Topuria is fit, a rematch against Gaethje is surely imminent.
There is, however, a major caveat that grounds this entire debate. Gaethje suffered severe hand injuries in his last outing and explicitly stated that he will not return to competition until 2027.
With McGregor also targeting a 2027 return while recovering from injury, the matchup remains entirely hypothetical. The landscape of the UFC lightweight division could look very different by the time either fighter is ready to return. Prioritizing an inactive superstar over rising contenders could leave the division in limbo and come at the expense of competitive integrity.
McGregor remains one of the biggest stars in UFC history, and that alone makes Gaethje’s proposal understandable. But a title shot should require more than star power. Unless McGregor returns healthy and proves himself against a legitimate contender, putting him directly in front of the lightweight champion would be far easier to justify financially than competitively.
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