Serghei Spivac achieved the most notable victory of his career on Saturday when he topped Derick Lewis in the UFC Fight Night 218 main event. Spivac (16-3 MMA, 7-3 UFC) managed to overcome the most decorated knockout artist in octagon history with a first-round submission win over Lewis (26-11 MMA, 17-9 UFC) in the heavyweight headliner, which took place at the UFC Apex in Las Vegas. Check below for the top Twitter reactions to Spivac’s victory over Lewis at UFC Fight Night 218. * * * *