The Wallabies stunned the Springboks at Ellis Park and with it sent a World Cup warning, meanwhile Rassie Eramus was reminded of the old adage "keep it simple".

"The biggest changes of all, though, will likely be on the bench, with the boss expected to turn to his trusty Bomb Squad to rectify last weekend's defeat."

Australia prop James Slipper and winger Dylan Pietsch have been ruled out of the second Rugby Championship test against South Africa in a double blow to the Wallabies’ hopes.

The Wallabies are hoping to land their own knockout blow on the Springboks in Cape Town this weekend before receiving a “punch in the face” from the stunned world champions.

Australia’s shock triumph over world champions South Africa will mean little if they do not follow up last week’s victory with success in their second Rugby Championship clash in Cape Town on Saturday,

Wallabies coach Joe Schmidt said he may have to ask more players to come over from Australia after a three players were taken off the field during their victory over the Springboks at Ellis Park on Saturday.

"They are going to try to punch us in the face this week, so we are going to have to be ready." #RSAvAUS #RugbyChampionship

With so many big matches and events he has already been a part of, it is easy to forget that Joseph Aukuso-Suaalii is still only a 10-capped Wallaby.

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By Mark Gleeson CAPE TOWN (Reuters) -It has been such a heady nine months for Joseph Suaalii since his Australia rugby union debut that the 22-year-old powerhouse finds it hard to pick out a highlight.