Argentina's Mario Ledesma (C) stands with a fan as teammate Rodrigo Roncero (R) walks by outside their hotel in Wellington September 26, 2011. REUTERS/Marcos Brindicci
MELBOURNE (Reuters) - Australia are out to change "perceptions" at the World Cup that their scrum remains vulnerable, assistant coach Mario Ledesma said.
The former Argentina hooker, part of a strong Pumas pack at four World Cups, was recruited to add some steel to the Wallabies' set piece, which local pundits fear will crumble against pool rivals England and Wales.
