Irish boxer Katie Taylor became a two-weight undisputed world champion by adding the undisputed super-lightweight titles to her earlier undisputed lightweight crown. She achieved this by defeating Chantelle Cameron in Dublin in November 2023, unifying all four major belts in a second weight class.
Record no. MRB-2026-005882
Two-Weight Undisputed Boxing Champion
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.