Vitor Belfort Leads All UFC Fighters with 11 First-Round Knockouts

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