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At boxing's beginning, the heavyweight division had no weight limit, and historically the weight class has gone with vague or no definition.During the 19th century many heavyweights were 170 pounds (12 st 2 lb, 77 kg) or less, though others weighed considerably more.
In boxing, a weight class is a measurement weight range for boxers. The lower limit of a weight class is equal to the upper weight limit of the class below it. The top class, with no upper limit, is called heavyweight in professional boxing and super heavyweight [1] in amateur boxing. A boxing match is usually scheduled for a fixed weight class ...
The official rules and regulations of the WBA, [1] World Boxing Council (WBC), [2] International Boxing Federation (IBF), [3] and World Boxing Organization (WBO) [4] all recognize each other in their rankings and title unification rules. Each of these organizations sanction and regulate championship bouts and award world titles.
This is a list of IBO world champions, showing every world champion certificated by the International Boxing Organization (IBO) since 1993. r – Champion relinquished title s – Champion stripped of title
The list does not include The Ring and lineal championship fights after July 2, 1921, although it only includes heavyweight champions that captured undisputed championship (July 2, 1921–present), lineal championship (August 29, 1885 – July 2, 1921) or The Ring championship. The list only includes title reigns during which the champion:
The WBC is one of the four major governing bodies in professional boxing, and certifies world champions in 18 different weight classes. In 1963, the year of its foundation, the WBC inaugurated titles in all divisions with the exception of light flyweight, super flyweight, super bantamweight, super middleweight, cruiserweight and bridgerweight ...
This is a list of WBO world champions, showing every world champion certified by the World Boxing Organization (WBO). The WBO is one of the four major governing bodies in professional boxing , and has awarded world championships in 17 different weight classes since 1989.
Pages in category "World boxing champions by weight class" The following 17 pages are in this category, out of 17 total. This list may not reflect recent changes .