Conor McGregor set for knee surgery after UFC 329, plans to “go again”

Conor McGregor will undergo surgery after suffering a knee injury during his UFC 329 main event, according to a report from Yahoo Sports. McGregor’s injury occurred early in the contest, and he was unable to continue after what was described as a knee blow-out in the first 69 seconds of the fight.

The bout against Max Holloway took place at T-Mobile Arena in Las Vegas as part of UFC 329’s main card. McGregor entered the night with a professional record of 22-7 in MMA and 10-5 in UFC competition, while Holloway was listed at 28-9 in MMA and 24-9 in UFC. The fight ended in a TKO loss for McGregor, with the injury emerging as the deciding factor rather than a late-race tactical shift.

While the report ties McGregor’s next step to surgery, it does not offer a timetable for return. In the UFC, knee injuries can vary widely in recovery period depending on the exact damage, and surgery itself often marks only the start of a rehabilitation timeline rather than the end of uncertainty around when a fighter can return.

McGregor, who is widely associated with high-volume striking and dramatic fights, has repeatedly emphasized the importance of timing and physical readiness in his career. An early main-event injury like this can also alter the way future matchups are discussed, because opponents typically look for clarity on whether a fighter is fully capable of repeating the same movement patterns that set up their offense.

The report also frames McGregor’s recovery with a stated intention to “go again” after the surgery, indicating that his goal is to come back rather than treat the setback as a career pause without direction. For UFC matchmakers, that matters even without a confirmed date, since a returning McGregor could influence marketability, pay-per-view considerations, and the demand for high-profile opponents.

UFC 329’s immediate fallout will now pivot to two tracks: Holloway’s path after a short-notice conclusion, and McGregor’s medical timeline. The next watch item is confirmation from team or UFC-related channels regarding the specific nature of the knee injury and the rehabilitation plan, along with any updates that clarify how quickly McGregor expects to resume full training.

For fans following lightweight and featherweight-level matchups, the situation is also a reminder of how quickly momentum can change in the UFC, where a single movement can determine whether a fight turns into a championship-level showcase or a medical stoppage. In that context, McGregor’s surgery announcement is the latest major development in the sport’s ongoing storylines as fighters prepare for the next wave of UFC matchups.