This is a listof current male worldboxingchampions. Since at least John L. Sullivan, in the late 19th century, there have been worldchampions in professional
where champions are determined by challenge, the lineal championship in a weight class represents an intangible world title first held by the victor of a
recognition as champion by both the WorldBoxing Association and WorldBoxing Council was withdrawn. Yet Ali remained the linealchampion and was recognized
class. Linealchampions are listed on Cyber Boxing Zone website which listlinealchampionsof the Queensberry Era to date. The International Boxing Organization