Who did Katie Taylor defeat to become one of only eight boxers to hold all four major world titles simultaneously?
Delfine Persoon
Amanda Serrano
Jessica McCaskill
Natasha Jonas
Answer
Katie Taylor defeated Delfine Persoon in 2019, making her one of only eight boxers in history to hold all four major world titles in boxing—WBA, WBC, IBF, and WBO—simultaneously.
Knockout Challenge: The Ultimate Katie Taylor Quiz!