Add to My ListDownloadSharePlayback issues? Try another server.Server 1Server 2Server 3Server 4Server 5Server 6Server 7Server 8Server 9Server 10Server 11Server 12Server 13Server 14Server 15Naciones MMA 1220226ReleasedDec 08, 2022CountryMexicoNaciones MMA 12 was a mixed martial arts event that took place on Thursday, December 8, 2022 at the Showcenter Complex in Monterrey, Nuevo Leon, Mexico.