Opetaia fights for the inaugural Zuffa Boxing world cruiserweight championship on Sunday against Brandon Glanton ...

Check all the current boxing champions for all four major organizations in each weight division.

Jai Opetaia and Brandon Glanton successfully weigh in and face off ahead of their fight for the inaugural Zuffa Boxing ...

Whether Opetaia's IBF world championship is up for grabs at Zuffa Boxing 4 — and whether he'll remain the IBF cruiserweight ...

Jai Opetaia and Brandon Glanton will make history on Sunday, March 8 in Las Vegas. Opetaia and Glanton will be the first two ...

Jai Opetaia is hoping Sunday night can be the start of an exciting chapter in his career when he makes his debut with Dana ...

Ryan Rozicki believes the cruiserweight division is in the best shape it has ever been, even as he slates Noel Mikaelian as ...

Jai Opetaia's Las Vegas introduction has taken an 11th-hour twist, with the IBF stepping in to withdraw their sanctioning of ...

Zuffa Boxing has a new world champion on its roster. The boxing promotion, founded in part by UFC president and CEO Dana White, has signed IBF and The Ring cruiserweight champion Jai Opetaia. Zuffa ...

Zuffa Boxing has officially announced its most significant signing to date. Ring and IBF cruiserweight champion Jai Opetaia has joined the new promotion, a major acquisition that immediately signals ...

Oleksandr Usyk might be nearing the end of his career, but he is still a big target for plenty of boxers in the higher ...