5. Siua Maile (Tonga)
He was scouted playing amateur rugby by the Tongan coaches on Facebook after an injury crisis at hooker and was suddenly thrust into the starting XV to face New Zealand. “He is a fascinating story,” Toutai Kefu, the head coach, said. “Four to six weeks ago he is tiling roofs and then three-four weeks later he is starting against the All Blacks. He is a player with a lot of potential.”