South Africa continue to lead the World Rugby rankings, though New Zealand are narrowing the gap with only 1.06 points between the sides ahead of this weekend's fixtures.
Australia veteran James O'Connor is the surprise inclusion in Joe Schmidt's Wallabies squad to tackle the British and Irish Lions in the three-Test series.
Wallabies flyhalf Noah Lolesio has had surgery on an injury sustained against Fiji and will will miss the three-Test Series against the British and Irish Lions.
British and Irish Lions head coach Andy Farrell has made no less than 14 changes to his starting XV to take on the Brumbies in Canberra on Wednesday.
Wallabies skipper Harry Wilson came up with a clutch try for a narrow 21-18 win over Fiji in Newcastle on Sunday.
The Junior Springboks scored 11 tries in a convincing 73-17 victory over Australia in their World Rugby U20 Championship opener in Italy on Sunday.