UFC Rio takes place at Farmasi Arena in Rio de Janeiro, Brazil on Saturday. The event is headlined by a lightweight but between former champion Charles Oliveira and No. 8 ranked Mateusz Gamrot. This event will mark the fight promotion’s 13th visit to Rio de Janeiro.
On Friday, the fighters officially weigh-in. Both main event fighters came in at 156 pounds.
BACK FOR ANOTHER MAIN EVENT 🇧🇷@CharlesDoBronxs weighs in at 156 lbs! [ #UFCRio | TOMORROW 7pmET on the @ESPN app ] pic.twitter.com/cyRL0yxHju
— UFC (@ufc) October 10, 2025
Short notice is not an issue for him 😤 @Gamer_MMA checks in at 156 lbs to make the #UFCRio main event OFFICIAL! [ TOMORROW 7pmET on the @ESPN app ] pic.twitter.com/lov59IXNTc
— UFC (@ufc) October 10, 2025
UFC Rio Weigh-In Video
UFC Rio Official Weigh-In Results
Main card
Charles Oliveira (156) vs. Mateusz Gamrot (156)Deiveson Figueiredo (136) vs. Montel Jackson (136)Vicente Luque (170) vs. Joel Alvarez (171)Jhonata Diniz (257) vs. Mario Pinto (255)Ricardo Ramos (146) vs. Kaan Ofli (145.5)Lucas Almeida (145.5) vs. Michael Aswell (145.5)
Preliminary card
Jafel Filho (126) vs. Clayton Carpenter (126) Vitor Petrino (250) vs. Thomas Petersen (246.5Beatriz Mesquita (136) vs. Irina Alekseeva (135.5)Lucas Rocha (126) vs. Stewart Nicoll (126)Julia Polastri (116) vs. Karolina Kowalkiewicz (116)Luan Lacerda (136) vs. Saimon Oliveira (144)*
*Saimon Oliveira missed weight by eight pounds
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