The desperate Wallabies won't be surprised if former league superstar Sonny Bill Williams gets an early tour hit-out for the All Blacks on Saturday, and they won't be disappointed either.

Australia and New Zealand will name their teams for the Hong Kong Stadium Bledisloe Cup dead rubber on Thursday, when most of the attention will be on whether Williams secures a bench spot for a possible All Blacks debut.

With Graham Henry's men already holding a 3-0 advantage in this year's four-Test series, the Wallabies believe Williams could be given a chance to stamp his credentials for the UK and Ireland leg of the tour.

"They've got a tough tour with a grand slam so, if they need to get him onto the field and see what he's like, they're going to have to do it sooner rather than later," Wallabies assistant Jim Williams told reporters in Hong Kong on Wednesday.

"It would be great for the game to see him out there.

"Obviously he's dying to get a run and it's just a matter of timing about when they bring him in."

The 25-year-old's good form at provincial level in New Zealand has catapulted him into the All Blacks squad and the Wallabies have no doubt his Test debut is inevitable.

His signature offloads have the potential to wreak havoc on opposition defences.

"Looking at his pass there, he's certainly an option, that's for sure," Jim Williams said.

"You can't ignore him, it's just a matter of timing."

The decision on the former NRL star, who walked out on the Canterbury Bulldogs in 2008 to switch codes with French club Toulon, is likely to overshadow Wallabies boss Robbie Deans' announcement of the side he hopes can end a 10-Test losing streak to New Zealand.

Deans and co-selectors Williams and David Nucifora appear likely to stick tight with the side that ended the 47-year drought on the South African highveld last month.

Injured tighthead Ben Alexander should return from outside that 22, meaning a decision between Salesi Ma'afu and James Slipper for the bench.

Hooker Saia Fainga'a is also available again after missing the final Tri-Nations match through suspension, while winger Drew Mitchell looks set to regain his place after recovering from a hamstring injury.

The Wallabies say it is the mental side of their game they have focused on as they attempt to end their poor run against the All Blacks, and a recent habit of letting leads slip.

"We've been training scenarios ... that we've needed to perform under and probably didn't throughout the Tri-Nations to the extent that we were happy with," lock Dean Mumm said.

"We've learnt a lot, hopefully, about how to capitalise on those significant moments in a game but I guess how successfully we've done that is yet to be told in a significant environment."

Possible Wallabies team: Kurtley Beale, James O'Connor, Adam Ashley-Cooper, Matt Giteau, Drew Mitchell, Quade Cooper, Will Genia, Ben McCalman, David Pocock, Rocky Elsom (capt), Nathan Sharpe, Mark Chisholm, Ben Alexander, Stephen Moore, Benn Robinson. Res: Saia Fainga'a, Salesi Ma'afu, Dean Mumm, Richard Brown, Luke Burgess, Berrick Barnes, Anthony Fainga'a.

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