Joe Bugner British and British Commonwealth heavyweight titles and was a three-time European heavyweight champion. He was ranked among the world's top ten heavyweights in the 1970s, fighting such opponents as Muhammad Ali, Joe Frazier, Ron Lyle, Jimmy Ellis, Manuel Ramos, Chuck Wepner, Earnie Shavers, Henry Cooper, Brian London, Mac Foster, Rudie Lubbers, Eduardo Corletti, Jurgen Blin and George Johnson. He fought for the world heavyweight championship in 1975, losing on points in a second bout with Ali. Bugner retired from boxing in 1976, but over the next two decades he made sporadic comebacks with varying success. He moved to Australia in
Boxing at the 2011 Pan American Games – Super heavyweight Boxing at the 2011 Pan American Games – Super heavyweight The men's super heavyweight competition of the boxing events at the 2011 Pan American Games in Guadalajara, Mexico, was held between October 24 and 29 at the Expo Guadalajara Arena. The defending champion was Robert Alfonso from Cuba. Super heavyweights were limited to those boxers weighing higher than or equal to 91 kilograms. This weight category is the heaviest out of the ten boxing events. Like all Pan American boxing events, the competition was a straight single-elimination tournament. Both semifinal losers were awarded bronze medals, so no boxers competed again