Wallabies rising backrow star Isi Naisarani has been unveiled as the final piece of the Wallabies' Spring Tour puzzle, named as a squad development player.

Naisarani has been training as an unofficial member of the squad in Japan and his efforts have impressed the coaching staff enough to earn a spot alongside fellow development rookie Rob Valetini in the squad.

The 23‑year‑old Fijian‑born no. 8 is not eligible for the Wallabies until April next year but has long been considered a candidate for a Test spot once he fulfils his residency requirement.

Australia will take on Wales at 5.20am tomorrow.

In other Northern tour tests tomorrow, Wales will face Scotland at 3.45am, England will take on South Africa at 4am while Ireland will take on Italy at 9am.

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