Vitor Belfort leads UFC history with 11 first-round knockouts

Vitor Belfort holds the all-time UFC record for first-round knockouts with 11, ahead of Anthony Johnson's nine. Michal Oleksiejczuk ranks third with eight, while Sergei Pavlovich, Francis Ngannou, Andrei Arlovski, Cain Velasquez, Anderson Silva, and Derrick Lewis each have seven first-round stoppages in the promotion.