UFC heavyweight Tai Tuivasa suffered a defeat at UFC 331. He was knocked out early on. The loss occurred in round one. It followed a troubling seven-fight losing streak. He had just moved to American Top Team. Tuivasa made the gym move because he hoped 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 stopped in round one regardless. The first-round defeat took place following his recent move to American Top Team.