UFC heavyweight Tai Tuivasa suffered a defeat at UFC 331. He was finished in the opening minutes. The loss occurred in round one. It followed a difficult seven-fight losing streak. He had newly linked up with American Top Team. Tuivasa made the gym move because he wanted to take advice from new trainers and change his fight preparation.

He worked out with heavyweight Francis Ngannou for UFC 331. He spent time with Ngannou during his training camp. But Tuivasa was knocked out in round one regardless. The first-round defeat happened shortly after his switch to American Top Team.