UFC 329: McGregor vs. Holloway 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 11, 2026, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Valley, United States. A welterweight bout between former UFC Featherweight and Lightweight Champion Conor McGregor and fellow former featherweight champion Max Holloway headlined the event. This was McGregor's first appearance since he broke his leg at UFC 264 in July 2021, and it also marked Holloway's debut in the welterweight division.