Emily van Egmond says the Matildas have a secret weapon to help them overcome Mexico in their upcoming friendlies, but their trump card won't even take the field.
Australia face the Central Americans in Newcastle on Saturday, their first match on home soil since their heartbreaking 1-0 defeat in the Women's Asian Cup final against Japan in March.
It looms as another important test for the Matildas as they shift their focus towards next year's Women's World Cup in Brazil.
