Wikipedia - Jai Opetaia
Jai Opetaia (born 30 June 1995) is an Australian professional boxer. He held the International Boxing Federation (IBF) from 2022 until 2023 (he vacated the title due to a disagreement with the IBF). He currently holds the Ring magazine and lineal cruiserweight titles. As an amateur, he won a bronze medal at the 2012 Youth World Championships and represented Australia at the 2012 Olympics and 2014 Commonwealth Games. As of February 2023, Opetaia is ranked the world's best active cruiserweight by The Ring magazine, and the Transnational Boxing Rankings Board, second by BoxRec, and third best by ESPN.