Vitor Belfort leads all UFC fighters with 11 first-round knockouts

Vitor Belfort holds the UFC record for first-round knockouts with 11, ahead of Anthony Johnson's nine and a group of fighters tied at seven, including Sergei Pavlovich, Francis Ngannou, Andrei Arlovski, Cain Velasquez, Anderson Silva, and Derrick Lewis. Michal Oleksiejczuk sits in third place with eight first-round stoppages.