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Since their fist meeting Werdum has seen mixed results with a 6-3 record.
The Brazilian Jiu-Jitsu black belt was defeated by Antonio Rodrigo Nogueira at PRIDE Critical Countdown Absolute in 2006.
However, he would soon rebound with a submission victory over Aleksander Emelianenko which soon earned him a roster spot in the UFC.
Werdum debuted against former UFC heavyweight champion Andrei Arlovski at UFC 70 and dropped a lackluster decision.
"Vai Cavalo" returned to soundly defeat Gabriel Gonzaga and Brandon Vera by knockout, but an October 2008 knockout loss to Junior Dos Santos would cost Werdum his job in the UFC.
With that being said, the loss to Dos Santos has been his last as Werdum has went on to defeat Mike Kyle, Antonio Silva, and Fedor Emelianenko.
Werdum was a heavy underdog when he faced the former PRIDE heavyweight champion and former pound-for-pound king. But once both gentlemen stepped inside the cage, Werdum shocked the world by defeating Emelianenko with a first-round submission victory.