Jai Opetaia drops warhorse Huseyin Cinkara with his lethal left hand.

Jai Opetaia drops warhorse Huseyin Cinkara with his lethal left hand.

Jai Opetaia is pushed hard by warhorse Huseyin Cinkara.

Jai Opetaia is pushed hard by warhorse Huseyin Cinkara.

Jai Opetaia is pushed hard by warhorse Huseyin Cinkara.

The crowd roars as undefeated Jai Opetaia walks into the ring for his highly-anticipated fight against Huseyin Cinkara.

The crowd roars as undefeated Jai Opetaia walks into the ring for his highly-anticipated fight against Huseyin Cinkara.

A devastating left hook from Jai Opetaia has knocked out previously unbeaten challenger Huseyin Cinkara to end another emphatic world title defence.

A devastating left hook from Jai Opetaia has knocked out previously unbeaten challenger Huseyin Cinkara to end another emphatic world title defence.

The ferocious Jai Opetaia blow that stopped Huseyin Cinkara has kept the German boxer in hospital with a fractured C1 vertebra and brain bleeding.