World champion Jai Opetaia defends his IBF cruiserweight title with a brutal fourth-round knockout win over David Nyika in Australia.

IBF cruiserweight champion Jai Opetaia sent a statement to the rest of the division on Wednesday with an explosive fourth-round knockout against

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 a firefight from the opening bell that featured nonstop exchanges of power punches.

Jai Opetaia stopped David Nyika with a vicious knockout on Wednesday, retaining the IBF cruiserweight title on home soil in Australia. Opetaia stopped the New Zealander in round four, landing a series of shots with Nyika stuck against the ropes and putting the challenger down and out with a brutal left hook.

Jai Opetaia stopped David Nyika in the fourth round to retain his IBF and Ring Magazine Cruiserweight Titles. Opetaia put on a masterful performance in a fight with plenty of pressure. He boxed in front of his home crowd for the first time since 2022 when he beat Mairis Briedis.

Jai Opetaia (27-0, 21 KOs) remains a cruiserweight world champion after blasting out David Nyika (10-1, 9 KOs) in four rounds. The time of stoppage was 2:17.

Jai Opetaia has knocked New Zealand challenger David Nyika out in the fourth round of his IBF world cruiserweight title defence on the Gold Coast.