What happens when one of the greatest MMA fighters in history steps into the cage against Muay Thai's most feared champion? Demetrious "Mighty Mouse" Johnson and Rodtang Jitmuangnon finally met under ONE Championship's unique mixed-rules format, creating one of the most fascinating cross-discipline fights ever seen. This video breaks down their legendary sparring sessions, the historic ONE X matchup, Demetrious Johnson's elite grappling, Rodtang's relentless Muay Mat pressure, and why the fight ended the way it did. Featuring: Demetrious Johnson Rodtang Jitmuangnon ONE Championship ONE X MMA Muay Thai Mixed Rules Brazilian Jiu-Jitsu Wrestling Flyweight Championship If you enjoy martial arts documentaries, MMA analysis, Muay Thai history, and legendary fights, subscribe for more weekly combat stories. When an MMA Genius Faced Muay Thai's Most Feared Monster #mma #muaythai #martialarts #combatsports #monster #genius