3. Vitor Belfort: 18 T/KOs
Ex-champion and one of UFCs most successful fighters, Vitor Belfort sports the most number of knockouts in the UFC history. In his 22-year-old career, 'The Phenom' has etched his spot with the KOs of Wanderlei Silva, Dan Henderson, Michael Bisping, Rich Franklin, Luke Rockhold and the likes of it.
Making his UFC debut in 1997, Belfort earned his first couple of TKOs at UFC 12 against Tra Telligman and Scott Ferrozzo to win the heavyweight tournament that night. There was no stopping him after that.
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He was this 20 years old Brazilian to finish the great Wanderlei Silva in a legendary 44 second KO at UFC Brazil in the consecutive year.
It wasn't smooth sailing for Vitor Belfort but he earned the title for 'The Phenom' for a reason. He always found his way back to the octagon which was mostly with another big name knocked on the ground.