Yushin Okami was the last man to score a victory against Anderson Silva, but the victory was tainted according to Silva.
Okami won the fight via disqualification after being hit with an up kick from Silva guard. The kick was illegal under the rules of the promotion that they were fighting for at the time. Silva spoke to Sherdog and had the following to say in regards to the Okami fight:

"I feel it was a cheap, cowardly way of winning," said Silva. "People that were there saw that he was in the condition to come back and keep fighting, and he didn't. It wasn't really a fight,"

To read the rest of the article with much more from Silva, click here.