​When Conor McGregor finally returns to the octagon to face Max Holloway after a five-year absence on Sunday, many fans will feel a mix of emotion. On the one hand lies the return of the sport’s biggest star, a figure who helped propel mixed martial arts into the mainstream and who has been inseparable from the UFC’s public narrative. The Irish superstar was not only the first in the UFC to hold two titles simultaneously but also a magnet for attention, thanks to a persona as brash and sharp-witted as it is charismatic. His influence on the sport’s popularity is undeniable, making his every move a headline event.
Yet for all McGregor’s achievements inside the cage, his career has repeatedly collided with controversy outside it. From legal battles in which he faced civil proceedings in Dublin related to allegations of sexual assault, to political ambitions that never materialized and a string of missed drug tests, a series of incidents has clouded his legacy. Now 37, McGregor’s bout with Holloway at UFC 329 in Las Vegas represents not only a comeback from a career-threatening leg injury but also the culmination of a complicated career arc that has always polarized fans, critics, and promoters alike. The fight headlines UFC’s flagship International Fight Week card, a clear signal of how much Dana White’s organization still values McGregor, even as questions persist about whether he still belongs in the spotlight.
McGregor has not fought since his leg was broken in the loss to Dustin Poirier in 2021, though his name has remained prominent in headlines. In November 2024, Nikita Hand highlighted a striking turn in his legal saga, winning a civil damages claim against him for assault by rape in a case connected to events in December 2018, a jury determining that the incident occurred in a Dublin hotel and ordering McGregor to pay substantial damages. He subsequently lost a civil jury appeal in July 2025, and Hand announced soon after her intention to pursue damages against him and two other individuals for alleged abusive litigation practices, a development that kept the scrutiny firmly in the public eye. Despite the loss, McGregor has maintained his stance, insisting he is innocent and expressing a belief that the truth will prevail while labeling the proceedings as distorting lies.
McGregor’s off-ring challenges have not ceased the competition’s flow, as last year he accepted an 18-month suspension for breaching the UFC’s anti-doping policy after missing three drug tests within a 12-month window in 2024. The sanction, backdated to the third missed test in September 2024, was completed in March of the following year. In the present season, McGregor has continued to undergo rigorous testing, with Combat Sports Anti-Doping (CSAD) reporting 14 tests for him this year—more than any other fighter on the UFC roster. The larger narrative surrounding him is complex: in 2019 he was convicted and fined €1,000 in relation to a separate issue, a reminder of the persistent, sometimes jarring, friction between his public persona and the legal and regulatory realms that accompany a fighter of his magnitude.
As fans turn their attention to Las Vegas, the immediate attention will be on whether McGregor’s skill and will can translate into success against Holloway after years away from the octagon, and whether the broader public will separate the fighter’s achievements inside the cage from the controversies that have shadowed his career. The event promises to be a defining moment, not just for McGregor’s legacy but for the evolving conversation around what it means to cheer for an athlete who has both hypnotized and polarized a global audience.