Josh Dugan remains open to extending his experiment at centre but has distanced himself from a potential collision course with Greg Inglis for Laurie Daley's battered Blues.

As the jury remains out on Dugan's versatility to fill one of the right-edge spots vacated by the injured Morris twins for NSW, St George Illawarra's most potent attacking weapon was again named in the centres to face the Sharks on Saturday night.

Centre Josh Morris is facing a race against time to be considered for game three with a knee injury, and Dugan's Dragons teammate Brett Morris will miss the remainder of the series with a fractured shoulder.

Morris kept Inglis in check in NSW's stirring game-one win, but the Rabbitohs' No 1 gun could be in line for a switch to fullback if Billy Slater doesn't return from injury in time.

It has still created a major headache for Daley, just one match from ending Queensland's eight-year Origin dynasty.

On whether an outward showing of his versatility would help a Blues recall, Dugan said: "That's the least of my worries at the moment. It was my first game at centre and the [Dragons] team is not doing too well at the moment, but we've got to keep improving."

Dugan, who played at centre for the NSW under 18s and also defended in the front line in short stints with Canberra at five-eighth, said he would warm the seat for Dylan Farrell if required again.

"First day back last week [McGregor] brought me in and had a little chat about how I would feel playing right centre. I said, 'Put me there'. I'm always up for a challenge," he said.

The Dragons named an unchanged line-up from the one against the Rabbitohs.