[SkeTToIsTheReUp]

Cro Cop got knocked out by a head kick.

YouTube - UFC 70 - Mirko CROCOP Gets KO'D By Gabriel GONZAGA - FULL KO

Cro Cop underestimated him, he didn't know that gonzaga could pull out a head kick so he dropped his gaurd.

Good thing his leg is flexible or else they would have to use a strectcher to bring him out.