#4. Mark Hunt (UFC heavyweight)
UFC heavyweight Mark Hunt is known as the 'King of Walk-Off KOs.' His tendency to walk off after knocking opponents down became renowned in the MMA world. Hunt became one of the most feared fighters in the heavyweight division because of his ability to end fights with just one clean shot.
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Out of the 13 wins in Mark Hunt's professional MMA career, 10 have come via knockouts. He has finished some of the most dangerous fighters in the UFC heavyweight division, including Derrick Lewis, Frank Mir and Roy Nelson.
Hunt last entered the cage in 2018 against Justin Willis. It is unlikely that fans will see him in action in the future. Regardless, he has produced octagon moments that will last for a lifetime.
#3. Cain Velasquez (UFC heavyweight)
Former UFC heavyweight champion Cain Velasquez struck terror in the hearts of his opponents inside the octagon. His relentless pressure and ability to constantly keep moving forward while landing powerful strikes is unparalleled. He would often land a flurry of devastating strikes, including straight right, hooks, uppercuts and head kicks while walking his opponents down.
He is also known as 'Cardio Cain' due to his incredible stamina. His gas tank allows him to fight aggressively, even in the later rounds.
Cain has the second-most knockout wins in UFC heavyweight history and holds the record for most total strikes landed in the division. 12 out of the 14 wins in his career came via TKO. Although he is known as a wrestler, Velasquez finished most fights with his fists.