Wallabies coach Michael Cheika, has reaffirmed he will walk away from the Wallabies top job if they do not win this year's Rugby World Cup.

Cheika says he has been transparent since day one and believes that he should put himself on the line and winning the world cup is the dream for all of them.

Australia lost to New Zealand in the 2015 final.

Australia will play the Springboks at 3.05am Sunday in the Rugby Championship while the All Blacks face Argentina at 6.05am Sunday.

Source: TV NZ