LONDON: David Pocock is the new Wallabies captain, while James O'Connor will take over at five-eighth when they play the Barbarians at Twickenham on Saturday.
The Wallabies selectors have decided to lighten the load of their regular Test skipper James Horwill by playing him off the bench, enabling Pocock, Australia's most dynamic forward, to lead the national team for the first time.
Although Pocock is only 23, he is now regarded as one of the senior members of the Test team, being part of a Wallabies leadership group that also includes Horwill, Will Genia and Rocky Elsom.
Pocock is accustomed to captaincy having led the Australian team at the under-20 World Cup in Wales in 2008 and he also skippered the Western Force against the Melbourne Rebels in the final round of this year's Super Rugby tournament.
Wallabies coach Robbie Deans stressed Pocock's promotion was not another radical team captaincy change, following on from Elsom being replaced by Horwill as Test skipper shortly before the World Cup.
Deans said Horwill had been involved in a strenuous season, playing in all of the Queensland Reds' 18 matches during their Super Rugby title triumph and most of Australia's Tests this year.
''While James ended the World Cup with a bit of a shoulder niggle, he is in good nick, given the load that he has carried,'' Deans said.
''We just felt this was a good opportunity, both to lessen the load on James, while also giving David the chance to gain experience captaining the side.''
Meanwhile, O'Connor will get his chance to convince Deans he is ready to depart permanently from the wing to the midfield, after taking over the No. 10 jersey in the absence of the injured Quade Cooper.
O'Connor, one of Australia's most consistent players during the World Cup, has been wanting to get closer to the action, and for some time has appeared an obvious Test inside-centre candidate.
At the start of the season, Deans said O'Connor was probably not yet physically ready for a positional switch to either No. 12 or five-eighth, but the loss of Cooper has forced the coach's hand.
When O'Connor has appeared at No. 10 for the Force, he has shown that he has the versatility and skills to handle this demanding role.
Berrick Barnes at No.12 is the insurance, and the pair will switch their roles around during a match against a high-quality Barbarians outfit which features Jerome Kaino, Keven Mealamu, Piri Weepu, Adam Thomson, Bryan Habana, Victor Matfield and Stirling Mortlock.
With Kurtley Beale also absent through injury, Adam Ashley-Cooper returns to fullback, Rob Horne regains the outside-centre spot with Lachie Turner replacing O'Connor on the wing.
The Wallabies forward pack, apart from Rob Simmons replacing Horwill in the second row, is the same which defeated Wales 21-18 in the World Cup third-placed play-off. Waratahs utility forward Dave Dennis and Reds centre Ben Tapuai are new faces on the bench.
Deans warned the Barbarians outfit had the capabilities to embarrass the Wallabies.
''They're all proud men and will be looking at this match as a great opportunity with no significant downside,'' he said.
''They've got class players all over the field who will play without fear or inhibition. That is going to make them a very tough outfit to beat.''