Overview

• UFC Rio takes place Oct. 11 at Farmasi Arena in Rio de Janeiro, marking the city’s first UFC Fight Night in nearly a decade, with Deiveson Figueiredo vs. Montel Jackson booked as the co-main event.
• Mateusz Gamrot stepped in after Rafael Fiziev withdrew with an injury in late September, setting up a new stylistic matchup for the lightweight headliner.
• Oliveira said the opponent change required a complete tactical reset, shifting from preparing for a striker to planning for Gamrot’s wrestling and grappling threats.
• The main event is Oliveira’s first fight since a first-round knockout loss to Ilia Topuria in June’s lightweight title bout.
• Oliveira has expressed interest in another title opportunity and a potential farewell fight with Max Holloway, though reports indicate Holloway is sidelined with a hand injury into 2026.