DUBAI, United Arab Emirates – The U.S. vaccine mandate is far from ideal for Tai Tuivasa , but he’ll do what’s necessary to ensure that his fight isn’t jeopardized. Tuivasa (12-3 MMA, 6-3 UFC) faces Augusto Sakai (15-3-1 MMA, 4-2 UFC) at UFC Fight Night 198 on Nov. 20, which takes place at the UFC Apex in Las Vegas. The new COVID-19 vaccination travel policies , where foreign individuals will need to be fully vaccinated with proof of one of seven WHO-approved vaccines , will be effective Nov