WBU Heavyweight World Champions
WBU Cruiserweight World Champions
WBU Light Heavyweight World Champions
WBU Super Middleweight World Champions
WBU Middleweight World Champions
WBU Super Welterweight World Champions
WBU Welterweight World Champions
WBU Super Lightweight World Champions
WBU Lightweight World Champions
WBU Super Featherweight World Champions
WBU Featherweight World Champions
WBU Super Bantamweight World Champions
WBU Bantamweight World Champions
WBU Super Flyweight World Champions
WBU Flyweight World Champions
WBU Light Flyweight World Champions
WBU Minimumweight World Champions |