Pedro Rizzo had a victory over what American mixed martial artist know for his success in the early years of UFC?
Pedro Rizzo: Pedro Augusto Rizzo (] ; born May 3, 1974) is a retired Brazilian mixed martial artist, kickboxer and Muay Thai fighter who competed for the UFC, PRIDE, M-1 Global, and Affliction. Dan Severn: Daniel DeWayne Severn (born June 8, 1958) is an American mixed martial artist, actor and occasional professional wrestler, notable for his success in the early years of Ultimate Fighting Championship (UFC) tournaments.
i don't know