[PAR] [TLE] Fabrício Werdum [SEP] Fabrício Werdum (] ; born July 30, 1977) is a Brazilian mixed martial artist and former UFC Heavyweight Champion.  He is also a two-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, and Muay Thai.  Werdum has competed in PRIDE, the UFC, Strikeforce, and Jungle Fight. [PAR] [TLE] Antônio Silva (fighter) [SEP] Antônio Carlos Silva (born September 14, 1979) is a Brazilian mixed martial artist who formerly competed in the heavyweight division of the UFC.  He is a former EliteXC Heavyweight Champion, a former Cage Rage World Heavyweight Champion and a former Cage Warriors Super Heavyweight Champion.  He has also competed for K-1 Hero's, BodogFIGHT, Strikeforce and World Victory Road.  Known for being one of the five men (along with Tsuyoshi Kohsaka, Fabrício Werdum, Dan Henderson, and Matt Mitrione) to defeat Fedor Emelianenko in mixed martial arts competition.
[PAR] [TLE] Fabrício Werdum [ SEP ] Fabrício Werdum ( ] ; born July 30 , 1977 ) is a Brazilian mixed martial artist and former UFC Heavyweight Champion . He is also a two - 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 , and Muay Thai . Werdum has competed in PRIDE , the UFC , Strikeforce , and Jungle Fight . [PAR] [TLE] Antônio Silva ( fighter ) [ SEP ] Antônio Carlos Silva ( born September 14 , 1979 ) is a Brazilian mixed martial artist who formerly competed in the heavyweight division of the UFC . He is a former EliteXC Heavyweight Champion , a former Cage Rage World Heavyweight Champion and a former Cage Warriors Super Heavyweight Champion . He has also competed for K-1 Hero 's , BodogFIGHT , Strikeforce and World Victory Road . Known for being one of the five men ( along with Tsuyoshi Kohsaka , Fabrício Werdum , Dan Henderson , and Matt Mitrione ) to defeat Fedor Emelianenko in mixed martial arts competition .
Former MMA champions Antonio Silva and Fabricio Werdum are both what South American nationality?
Former MMA champions Antonio Silva and Fabricio Werdum are both what South American nationality ?
Brazilian
Brazilian