Wallabies coach Michael Cheika expects to make "a couple" of changes to his losing team for Saturday's final Test against England, while reserve back-rower Ben McCalman has been ruled out by injury.
McCalman was on Tuesday ruled out for four to six weeks with a broken scapula (shoulder blade) after he came off the bench in Australia's second Test loss in Melbourne, with Leroy Houston named to take his place in the squad.
"He hurt himself in the first part when he came on," Cheika said of McCalman, who played the last half hour at AAMI Park and will now miss the rest of the Western Force's Super Rugby campaign.
With his team 2-0 down in the series and fighting to stave off a whitewash at Allianz Stadium on Saturday, Cheika ruled out sweeping change.
"I'll probably make a couple of changes," Cheika said on Tuesday.
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"I would have always thought I might make a couple each game to have a look at guys who are vying for spots.
"I'm looking more to get better performances out of an individual here, an individual there, or give someone an opportunity perhaps."
He also rejected switching key weapon Israel Folau from fullback to outside centre, where he has been so impressive for the NSW Waratahs this season.
"I've been happy with the way he (Folau) is playing and the role he's filling," Cheika said.
"He's been flicking between the two (fullback and outside centre) anyway, we're quite happy with the way he's playing.
"He's certainly not anyone we're going to play around with."
Cheika said he wanted the Wallabies to play with greater accuracy. They squandered overwhelming possession in Melbourne with numerous dropped balls.
And he was adamant they still had plenty of incentive despite the series already being lost.
"There's plenty at stake for us and when I say at stake, in an opportunity, positive way," Cheika said.
"The third game is worth everything. If you're going to improve where do you start to improve?
"You've only got to start at the next game."
The coach's faith in his players remains unshakeable despite back-to back losses.
"I believe in my lads more now than I did before because I've seen that they are working hard to get it right," Cheika said.
