Fabrício Werdum (Portuguese pronunciation: ; born 30 July 1977) is a Brazilian mixed martial artist and former UFC Heavyweight Champion. He is also a 4-time Brazilian jiu-jitsu world champion, a two-time Abu Dhabi Combat Club World Heavyweight Champion and European jiu-jitsu champion. He holds black belts in Brazilian jiu-jitsu, Judo, Werdum has competed in PRIDE, the UFC, Strikeforce, and Jungle Fight.
Often regarded as one of the best heavyweight fighters of all time, he was the first fighter to decisively defeat Fedor Emelianenko in mixed martial arts. He also holds notable victories over Cain Velasquez, , Minotauro Nogueira, Mark Hunt, Travis Browne, Alexander Emelianenko, Gabriel Gonzaga, Antônio Silva and Roy Nelson.
Born in Porto Alegre, Brazil, Werdum started training in Brazilian jiu-jitsu after being choked unconscious with a triangle choke by his then-girlfriend's ex-boyfriend. He trained with Marcio Corleta at the Porto Alegre Academy, Winner Behring. After success in competitive Brazilian jiu-jitsu and submission grappling, he started his career in MMA. He arrived in Spain to join his mother, who had moved to the city of Madrid some years before. At the age of 22, soon after his arrival in Spain, when he was just a purple belt, he started teaching the art of Brazilian jiu-jitsu in Madrid and other cities of Spain. Despite only training with white and blue belts, he became a BJJ World Champion, being promoted to the rank of black belt by Master Sylvio Behring three years later.