Six more fights have been added to the UFC Fight Night event scheduled for March 16 at the UFC Apex in Las Vegas. Five of the six bouts were officially announced Tuesday by the promotion, while the six was revealed on social media by the fighters involved. The event is currently headlined by a heavyweight bout between Tai Tuivasa (15-6 MMA, 8-6 UFC) and Marcin Tybura (24-8 MMA, 11-7 UFC)