New Zealand cannot improve their position at the top of the World Rugby Rankings due to the 11-point difference between themselves and Australia, but they can wrap up the Bledisloe Cup for another year with victory in the 160th meeting between the cross-Tasman rivals in Dunedin on Saturday.

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However, if Australia build on the momentum they gained from scoring four late unanswered tries in the 54-34 defeat in Sydney and beat the All Blacks for the first time since 2015, they stand to gain either two or three rating points depending on the margin of victory, moving them above both South Africa and Ireland in the process.

All four of the changes made to the All Blacks squad come in the forwards with hooker Dane Coles recovering from a head knock to win his 50th cap, while Kane Hames and Scott Barrett get bench spots in place of Wyatt Crockett and Luke Romano. In the front row, tight-head prop Owen Franks has been ruled out with an Achilles injury and is replaced in the starting line-up by Nepo Laulala.

Australia have undergone a minor re-shuffle with the vastly experienced Rob Simmons starting in the second row in place of Rory Arnold. In the backs, Samu Kerevi has been ousted from the match-day 23 with Tevita Kuridrani coming into the starting side. Dane Haylett-Petty is also back from injury and takes his spot on the wing in place of Curtis Rona.

The All Blacks have won six matches in a row against Australia, with an average of 40 points scored in all those matches, and have only lost once in 12 encounters in Dunedin.

BOKS CAN GO THIRD

Argentina and South Africa go again in Salta with the Springboks looking to back up last weekend’s 37-15 win on home soil in Port Elizabeth and extend their winning run to five tests, following their 3-0 series whitewash of France in June.

South Africa lost 26-24 in last year’s corresponding fixture but were unbeaten on their 10 previous visits to South America, winning all but one of the games – a 16-16 draw in Mendoza in 2012.

Allister Coetzee’s side will retain their place in the top four in the rankings if they win and Australia fail to do likewise in New Zealand, while third place, currently occupied by Ireland, is within their grasp if the margin of victory is more than 15 points.

Any Argentinean victory will be accompanied by a two-place rise to eighth, taking Los Pumas above Fiji and France. If Daniel Hourcade’s charges win by more than 15 points, they will close the gap on seventh-place Wales to less than eight tenths.

Experienced scrum-half Francois Hougaard will make his 44th test appearance for the Springboks after replacing Ross Cronje, who sustained an ankle injury in last week's win.

SIMBAS RING THE CHANGES

In the only other match to affect the rankings, Kenya will trade places with Hong Kong in 24th place if they win the final match of the two-test series between the sides in Nairobi on Saturday. Last weekend's opening match ended in a 19-19 draw.

Peter Kilonzo will make his test debut for the Simbas after David Ambunya was ruled out through injury, while fly-half Biko Adema also misses out after failing to recover from the knock he picked up in the first encounter. The team will be captained by Wilson Kopondo with last week's incumbent George Ambunya dropping to the bench.

A two-place rise to 22nd in the rankings is the prize on offer for Hong Kong. Even the narrowest of victories would be worth 1.15 points, taking them on to exactly 60 points and above both Germany and Canada to match their highest position since the rankings were introduced in October 2003.

The World Rugby Rankings will update at 12 noon UK time on Monday.