5. Mark Hunt
In addition to being the creator of the newly formed (and mainly fictitious) UFC Fighter’s Association Mark Hunt is also one of the hardest hitters in the history of MMA.
9 of his 12 career victories in MMA have come via knockout. Mark Hunt has knocked out: Frank Mir, Roy Nelson, Bigfoot Silva, Stefan Struve, and Cheick Kongo in addition to 4 other guys.
In addition to his impressive knockout resume, Hunt also holds victories over Wanderlei Silva and Cro Crop in Pride.