Until last year, Kato Ottio hadn't played a single game of rugby league.

Not that there was any doubt about his athletic ability. At 193 centimetres tall and weighing 105 kilograms, Ottio had already represented his homeland of Papua New Guinea in volleyball.

But so quickly has he taken to his latest pursuit that he has now become a dual international after also representing the Kumuls.

The rapid rise was not lost on the Raiders, who have offered the 21-year-old a train-and-trial contract.