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

Opetaia, 29, enters this fight on the back of a stoppage win against Jack Massey in October, which followed a decision victory over Mairis Briedis – Opetaia’s second win against the former champion. In fact, Opetaia’s first fight with Briedis took place at the venue for today’s title bout: the Gold Coast Convention and Exhibition Centre.

The cruiserweight king successfully defended his gold strap once again with another stunning knockout, but fans were left concerned after Opetaia's opponent was left in a brutal state

IBF cruiserweight champion Jai Opetaia only has one man in his sights for his next fight, WBA and WBO titleholder Gilberto "Zurdo" Ramirez.

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 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 (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 proved to be too much for a game David Nyika in a short but sweet action fight, ultimately retaining his IBF cruiserweight title in a DAZN main event from Gold Coast, Australia. It was clear from the opening bell that neither man planned or expected a full 12 round fight,