When John L. Sullivan received his championship belt in 1885, it would have been unimaginable for him to conceive that 141 years later, the very lineal heavyweight championship he inaugurated would face an unprecedented challenge from outside the sport of boxing itself. The esteemed lineal heavyweight title has always been fundamentally defined by a single, unwavering principle: “the man who beat the man.” This unbroken succession, stretching from Sullivan’s era to the present day, now confronts a potential disruption as a kickboxer enters the fray, threatening to redefine the historical continuity and traditional order of heavyweight boxing.
