Rivera got caught and didn't defend himself. Solid fight on Leben's part but hardly impressive. Luigi he was content to run the clock on, ditto for Cote. Dewees? Nigga please.
Statement: Leben would get decimated against Tanner, Loiseau, Franklin, Marquadt or Silva. Like, first round death.
Ok, Marquadt would take him to a decison. Marquadt finishing a fight in some kind of good fashion is an outlandish statement I'm not prepared to make.
I don't see how you can base a guy's finishing skills off of one poor fight, this is of course assuming you've never seen his Pancrase work.