I think it was here we were talking about what happened to Kimbo Slice when he went to the MMA. He won a couple fights vs retired fighters in their mid 40's, then in his 4th fight they put him up against a real fighter. This is what happened.
http://www.youtube.com/watch?v=PapOd4Xh76I
http://www.youtube.com/watch?v=PapOd4Xh76I