UFC Fight Night: Oliveira vs Gamrot, also known as UFC Fight Night 261, is scheduled for
October 11, 2025, at the Farmasi Arena in Rio de Janeiro, Brazil.
Initially, Charles Oliveira was slated to face Rafael Fiziev in the main event, but Fiziev withdrew due to a knee injury. Mateusz Gamrot stepped in as a replacement for the matchup. This event marks Oliveira’s first appearance in Brazil since March 2020. Oliveira holds UFC records for most finishes and most submissions. Gamrot is confident in his wrestling and welcomes the challenge of Oliveira’s grappling game. Gamrot has won four of his last five fights, including a decision victory over Arman Tsarukyan.
