UFC heavyweight Tai Tuivasa faced a tough loss at UFC 331. He was knocked out early on. The loss occurred in round one. It came after a troubling seven-fight losing streak. He had just moved to American Top Team. Tuivasa switched camps 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 knocked out in round one anyway. The first-round defeat came right after his recent move to American Top Team.