Conor McGregor’s much-anticipated return to the UFC after a five-year break drew significant attention, as UFC 329 on Paramount+ attracted nearly 16 million viewers across the U.S. and Latin America. The event set a record for Paramount+ exclusives with a peak concurrent streaming audience of about 8.3 million, surpassing previous UFC events on the platform. Despite this impressive peak, the overall and average viewership numbers fell short compared to the UFC’s Freedom 250 event held at the White House, which peaked at 7.9 million but reached 17 million total viewers and an average of 8.2 million.

Headlining the card, McGregor faced Max Holloway in a highly anticipated bout, but the fight ended abruptly due to McGregor injuring his right knee just 69 seconds into the first round. McGregor revealed on Instagram that surgery would be needed but expressed his intent to fight again, fulfilling the last bout on his UFC contract. The early stoppage sparked controversy in sportsbooks as McGregor was the clear betting favorite, drawing the largest MMA handle in BetMGM history and holding the majority of bets on DraftKings. McGregor subsequently asked for the fight to be declared a no-contest, aiming for bets to be refunded.

The event marked a financial milestone for the UFC, setting the biggest gate in its history at $25 million at Las Vegas’s T-Mobile Arena, eclipsing the previous record of $21.8 million from UFC 306 held at the Las Vegas Sphere. UFC 329 was also notable for the rapid finishes, setting a record with eight fighters ending their fights within the first five minutes. Since January, UFC has guaranteed a $25,000 bonus to every fighter who secures a finish, a move linked to its lucrative seven-year, $7.7 billion contract with Paramount.

UFC President Dana White hailed the event as a landmark for the promotion and the streaming platform, reinforcing the significance of McGregor's return in driving major pay-per-view interest to Paramount+. Despite the setback from McGregor’s injury, the event’s success highlights both the star power of marquee fighters and the growing influence of streaming exclusives in combat sports. McGregor’s future plans and potential return fight remain a focal point for fans and the industry alike.