The return of Conor McGregor is leading to UFC 329 being the most expensive mixed martial arts event on the secondary market in history. The average ticket price for Saturday’s UFC card at T-Mobile Arena is $1,537 on secondary ticket marketplace TickPick, beating out the previous record holder, UFC 306 Riyadh Season Noche, that was held at Sphere in 2024, which had an average purchase price of $1,250.