Condit wins this fight. I think skill for skill they are pretty much the same fighter. But Condit has Greg Jackson to work strategy. Condit more than cancels out Diaz's BJJ and his striking is on par. I say Condit stops Diaz. Diaz has taken a large amount of punishment through his career and after absorbing that many blows to the head everyone's chin disappears at some time. Just ask Liddell.