Correct answer is Cung Le. Wanderlei destroyed that shit.
There was a guy on TUF a few years back. It was so bad they hards showed it, and didn't show it post fight. Incredible disgusting, it basically ceased to exist.
That was Charley Lynch against Clayton McKinney
Rogan was from surgery for a deviated septum. I wouldn't even give that honorable mention. Deviated septum by day Joe Rogan podcast by night......ALL DAY!
I think that Silva/Franklin 1 is the worst. Franklin still looks like a completely different person after Silva reconstructed his face.