Just ONE night before ONE Championship's explosive 26 August event, superstars Adriano Moraes, Demetrious Johnson, Nong-O Gaiyanghadao, Liam Harrison, Rodtang Jitmuangnon, Savvas Michael, and more take center stage for the official ONE On Prime Video 1 ceremonial weigh-in and faceoffs! #ONEonPrimeVideo1 | Fri Aug 26 at 8PM ET ???????? Watch live on Prime Video ?? https://amazon.com/ONE1 ?? Watch live on PPV ?? https://watch.onefc.com ?? Get your tickets ?? https://bit.ly/ONEFN1 ?? Check local listings for global broadcast ?? https://bit.ly/WatchOPV1 Check out the full card below, and make sure you tune in live! MAIN CARD Flyweight World Championship Adriano Moraes vs. Demetrious Johnson Bantamweight Muay Thai World Championship Nong-O Gaiyanghadao vs. Liam Harrison Flyweight Muay Thai World Grand Prix Semifinal Panpayak Jitmuangnon vs. Savvas Michael Heavyweight Mixed Martial Arts Marcus Almeida vs. Kirill Grishenko Heavyweight Mixed Martial Arts Amir Aliakbari vs. Mauro