Merab Dvalishvili, top, fights Sean O'Malley in a bantamweight mixed martial arts title bout during UFC 306 at the Sphere, Saturday, Sept. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Sean O'Malley reacts after fighting Merab Dvalishvili in a bantamweight mixed martial arts title bout during UFC 306 at the Sphere, Saturday, Sept. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Attendees watch Yazmin Jauregui fights Ketlen Souza in a women's strawweight mixed martial arts bout during UFC 306 at the Sphere, Saturday, Sept. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Valentina Shevchenko celebrates after defeating Alexa Grasso in a women's flyweight mixed martial arts title bout during UFC 306 at the Sphere, Saturday, Sept. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Attendees wait for the main mixed martial arts event during UFC 306 at the Sphere, Saturday, Sept. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Merab Dvalishvili celebrates after defeating Sean O'Malley in a bantamweight mixed martial arts title bout during UFC 306 at the Sphere, Saturday, Sept. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Sean O'Malley and Merab Dvalishvili appear on screen during UFC 306 at the Sphere, Saturday, Sep. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)

Valentina Shevchenko, right, fights Alexa Grasso in a women's flyweight mixed martial arts title bout during UFC 306 at the Sphere, Saturday, Sep. 14, 2024, in Las Vegas. (Wade Vandervort/Las Vegas Sun via AP)