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 ...

Jai Opetaia may no longer be a world champion, but he proved he's still the best cruiserweight in the world. Opetaia (30-0, 23 KOs) won a shutout unanimous decision (119-106, 119-106, 119-106) over ...

A strange week of twists and turns appears to be culminating in Jai Opetaia being stripped of the IBF cruiserweight championship. Opetaia is set to make his Zuffa Boxing debut on Sunday when he faces ...