Light heavyweight champion Alex Pereira knocks down Jiri Prochazka with a head kick during the second round of a UFC 303 mixed martial arts bout Saturday, June 29, 2024, in Las Vegas. Pereira retained his title. (Steve Marcus/Las Vegas Sun via AP)
Light heavyweight champion Alex Pereira, right, knocks Jiri Prochazka to the canvas at the end of the first round during the UFC 303 mixed martial arts event, Saturday, June 29, 2024, in Las Vegas. Pereira retained his title when the fight was stopped in the second round. (Steve Marcus/Las Vegas Sun via AP)
Macy Chiasson, left, punches Mayra Bueno Silva in a bantamweight mixed martial arts bout during UFC 303, Saturday, June 29, 2024, in Las Vegas. (Steve Marcus/Las Vegas Sun via AP)
The referee moves in to protect Jiri Prochazka from light heavyweight champion Alex Pereira, left, during the UFC 303 mixed martial arts event Saturday, June 29, 2024, in Las Vegas. Pereira retained his title. (Steve Marcus/Las Vegas Sun via AP)
Gillian Robertson, right, has her arm raised after defeating Michelle Waterson-Gomez in a strawweight bout during the UFC 303 mixed martial arts event Saturday, June 29, 2024, in Las Vegas. Waterson-Gomez announced her retirement after the bout. (Steve Marcus/Las Vegas Sun via AP)
Roman Dolidze celebrates after defeating Anthony Smith in a light heavyweight mixed martial arts bout during UFC 303 Saturday, June 29, 2024, in Las Vegas. (Steve Marcus/Las Vegas Sun via AP)
Light heavyweight champion Alex Pereira is declared the winner over Jiri Prochazka during the UFC 303 mixed martial arts event Saturday, June 29, 2024, in Las Vegas. (Steve Marcus/Las Vegas Sun via AP)
Light heavyweight champion Alex Pereira, right, connects with a punch that sent Jiri Prochazka to the canvas at the end of the first round during the UFC 303 mixed martial arts event Saturday, June 29, 2024, in Las Vegas. Pereira retained his title when the fight was stopped in the second round. (Steve Marcus/Las Vegas Sun via AP)
Roman Dolidze, left, works against Anthony Smith in a light heavyweight mixed martial arts bout during UFC 303, Saturday, June 29, 2024, in Las Vegas. (Steve Marcus/Las Vegas Sun via AP)
Dan Ige, left, punches Diego Lopes during a 165-pound catchweight mixed martial arts bout at UFC 303, Saturday, June 29, 2024, in Las Vegas. Ige replaced Brian Ortega, who withdrew from the bout due to illness. (Steve Marcus/Las Vegas Sun via AP)