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

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.

Opetaia retained the IBF cruiserweight title inside four rounds, before promoter Eddie Hearn addressed the Australian’s next steps

GOLD COAST, AUSTRALIA – The entertaining contest between IBF cruiserweight champion Jai Opetaia and David Nyika represented the first big fight of 2025, and also concluded with what is certain to be remembered as one of the knockouts of the year.

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 scored the nastiest knockout of the year so far on Wednesday, the 8th of January, on the Gold Coast of Australia, as he triumphed in spectacular fashion after a dog-fight with his cruiserweight opponent David Nyika on a Matchroom boxing show for DAZN.

Jai Opetaia is on a hot streak, and David Nyika is the latest challenger to fall to the Australian’s heavy hands. At a boxing event in Gold Coast, Australia, on Tuesday, Opetaia successfully defended his IBF cruiserweight title with a brutal fourth-round knockout of the previously undefeated David Nyika.

Jai Opetaia has retained the IBF and The Ring cruiserweight titles with a terrifying knockout of Kiwi David Nyika at the Gold Coast Convention Centre on Wednesday.