BOXING, SIMPLIFIED.
Four belts. One division. Endless confusion.
We make it clear.
Weekend Summary
May 18, 2026Recent title changes across all divisions.
Understanding the Belts
Undisputed
One fighter holds all 4 major belts (WBA, WBC, IBF, WBO) in a single division. The rarest achievement in boxing.
Unified
One fighter holds 2-3 of the 4 major belts. Common after unification bouts between champions.
Fragmented
Multiple fighters hold belts in the same division. The most common state — and the source of all confusion.
WBA
WBC
IBF
WBO
Men's Undisputed Champions(1)
Fighters holding all 4 major belts in their division.
Women's Undisputed Champions(3)
Fighters holding all 4 major belts in their division.