Whom did Ron Lyle and Oscar Bonavena both box?
Ron Lyle Ronald "Ron" Lyle (February 12, 1941 – November 26, 2011) was an American professional boxer who competed from 1971 to 1980, and in 1995. He challenged once for the undisputed world heavyweight title, losing to Muhammad Ali in 1975. Lyle was known for his punching power, crowd-pleasing fighting style, as well as courage and determination inside the ring. He held notable wins over Buster Mathis, Oscar Bonavena, Jimmy Ellis, Earnie Shavers, Joe Bugner, and Scott LeDoux, but is best known for his slugfest against George Foreman in 1976, which won Fight of the Year honors by "The Ring" magazine.
Ricardo Arona Ricardo Arona (] ; born July 17, 1978) is a retired Brazilian mixed martial artist. He has competed in PRIDE Fighting Championships and RINGS in his mixed martial arts career, and was a member of Brazilian Top Team. He is the former RINGS Middleweight Champion, as well as the 2001 RINGS Middleweight Championship Tournament Winner, and 2005 PRIDE Middleweight Grand Prix Runner-Up. In submission wrestling, he holds an undefeated record of 13-0, never losing a single point in a match, and is a three-time ADCC Champion. He has notable wins in both MMA and submission grappling competition over Tito Ortiz, Jeff Monson, Renato Sobral, Vitor Belfort, Mark Kerr, Kazushi Sakuraba, Wanderlei Silva, Dan Henderson, Alistair Overeem, Murilo Rua, Jeremy Horn, Guy Mezger, and Dean Lister.