UFC heavyweight Tai Tuivasa faced a tough loss at UFC 331. He was knocked out in the opening minutes. The loss happened in round one. It followed a difficult seven-fight losing streak. He had just moved to American Top Team. Tuivasa switched camps because he hoped to listen to new coaches and adjust his fight prep.

He trained alongside heavyweight Francis Ngannou for UFC 331. He spent several sessions with Ngannou during his training camp. But Tuivasa got finished in round one regardless. The first-round defeat came right after his switch to American Top Team.