PORTO ALEGRE, BRAZIL - FEBRUARY 22: Octagon announcer Bruce Buffer introduces the fighters before the heavyweight bout between Antonio "Bigfoot" Silva of Brazil and Frank Mir of the United States during the UFC Fight Night at Gigantinho Gymnasium on February 22, 2015 in Porto Alegre, Brazil. (Photo by Buda Mendes/Zuffa LLC/Zuffa LLC via Getty Images)
