UFC heavyweight Tai Tuivasa faced a tough loss at UFC 331. He was knocked out in the opening minutes. The loss occurred in round one. It took place after a troubling seven-fight losing streak. He had just moved to American Top Team. Tuivasa made the gym move because he hoped to listen to new coaches and change his fight preparation.

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 took place following his recent move to American Top Team.