Browse a comprehensive overview of champions in boxing, mixed martial arts (MMA), and bare-knuckle fighting.
It includes champions from the four major boxing sanctioning bodies – the IBF, WBA, WBC, and WBO – spanning 17 weight classes, from strawweight to heavyweight for men and atomweight to heavyweight for women.
Additionally, it highlights champions in the Ultimate Fighting Championship (UFC) across both male and female divisions, covering weight classes from flyweight to heavyweight for men and strawweight to bantamweight for women.
It also features champions in the Bare Knuckle Fighting Championship (BKFC) across both male and female classes, covering weight classes from flyweight to heavyweight for men and strawweight to featherweight for women.