Confirmed: The core facts are supported by the cited primary sources.
Open the ONE Friday Fights 169 MMA desk →Two MMA bouts are confirmed
ONE Championship’s August 31 card announcement lists Ruslan Bulut against Sanzhar Mansurov in strawweight MMA and Ethan Brockett against Pedro Duarte in featherweight MMA. The event is scheduled for Friday, September 4, at Lumpinee Stadium in Bangkok.
The wider card uses three rule sets
ONE Friday Fights 169 contains nine contests: five Muay Thai bouts, two kickboxing bouts and two MMA bouts. Petmuangsri Torfunfarm–Gregor Thom headlines under Muay Thai rules, so Fight Atlas keeps the MMA event desk focused on the two professional mixed-martial-arts matchups.
No title or record change yet
ONE does not label either MMA contest as a championship bout. The four athletes remain event-only until complete public identities can be reconciled, and no win, loss or method will be added before ONE publishes official results.