Jai Opetaia retained his IBF cruiserweight title Wednesday with a spectacular fourth-round KO of David Nyika in Gold Coast, Australia. Opetaia, ESPN's No. 1 cruiserweight, and Nyika engaged in an intense fight from the opening bell that featured nonstop exchanges of power punches.

Jai Opetaia is the only man who can challenge heavyweight champion Oleksandr Usyk says promoter Eddie Hearn, after the IBF and Ring champion exacted the toll of trying to match it with boxing's best from David Nyika.

IBF cruiserweight champion Jai Opetaia is set to step into the ring against New Zealand rising star David Nyika this January 8 at the Gold Coast Convention Centre, Broadbeach, Quee