17. Seth Petruzelli Knocks Out Kimbo Slice in 14 Seconds
Kimbo Slice got his start from knocking out shirtless behemoths on YouTube. When you're Internet famous for fighting your way through the bath salt-soaked streets of south Florida, you're expected to beat an inked-up club kid with pink hair. Right? Slice entered the fight as slam dunk favorite and it took Seth Petruzelli less than half of a GEICO commercial to knock him unconscious.