UFC heavyweight Tai Tuivasa faced a tough loss at UFC 331. He got stopped early on. The loss occurred in round one. It took place after a difficult seven-fight losing streak. He had just moved to American Top Team. Tuivasa changed teams because he wanted to take advice from new trainers and tweak his preparation.

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