Australia v England
Venue: ANZ Stadium, Sydney Date: Saturday, 19 June Kick-off: 1100 BST
Coverage: Live commentary on BBC Radio 5 live sports extra; text commentary on BBC Sport website and mobiles; live coverage on Sky Sports 1.
Youngs has made two appearances for England as a replacement
England manager Martin Johnson has made two changes to his side for Saturday's second Test against Australia.
Leicester scrum-half Ben Youngs and Northampton lock Courtney Lawes will make their first starts for England in the match in Sydney.
Youngs and Lawes replace Danny Care and veteran second-row Simon Shaw - who both drop to the bench.
Australia have recalled inside centre Matt Giteau and scrum-half Will Genia for the game at the ANZ Stadium.
Johnson has resisted calls to shake-up his team in the wake of the 27-17 defeat by the Wallabies in the first Test in Perth last week.
We can't give them that many shots. They are a good team and they will get something on us but we made it too easy for them last week
England manager Martin Johnson on Australia
Although the tourists dominated the scrum, they were beaten to the ball at the breakdown while their backline struggled to penetrate the Aussie defence.
Johnson sticks with fly-half Toby Flood and inside centre Shontayne Hape with Jonny Wilkinson having to settle for a place on the bench.
Mike Tindall has recovered from a dead leg to be named at outside centre but Mathew Tait drops out of the squad, with Delon Armitage earning a recall to the match-day 22.
Youngs impressed when coming off the bench last week and Johnson will be hoping that the 20-year-old and Lawes will inject the pace that was missing last week.
"This is a great opportunity for Ben, who has been with us since the middle of the Six Nations - the same for Courtney," said Johnson.
"Ben brings something different to Danny but it is not a reflection on Danny's performance. It is just an opportunity to get Ben on the field.
"It is a tough call on Danny, who has not done anything particularly wrong. Simon Shaw certainly hasn't done anything wrong but Courtney Lawes has really stepped up in the last few weeks since we have been together.
"He is very athletic and gets around the field and is very aggressive."
Youngs, who is the youngest member of the England tour squad, played a key role as Leicester won the Premiership title last season.
He has made two substitute appearances for England, coming on in the Six Nations game against Scotland as well as the first Test against Australia last weekend.
"It is something I am really looking forward to," he told BBC Sport. "It has come really quickly but at the same time I am ready for it."
Johnson admitted that there was a temptation to bring back Wilkinson and added: "There is always a rationale for playing Jonny but we are happy with what we have got with Toby.
"We can't give them that many shots. They are a good team and they will get something on us but we made it too easy for them last week."
England have called up Saracens centre Brad Barritt into the squad as cover for Dominic Waldouck, who is struggling with an ankle injury, and winger Matt Banahan - who will miss the rest of the tour after being suspended.
It was probably one of the hardest selection processes I've been involved with
Australia coach Robbie Deans
For Australia, Genia takes the number nine jersey, despite an impressive display by Luke Burgess in the first Test.
Genia has recovered from a knee ligament strain, while Giteau is back at inside centre in place of Berrick Barnes after recovering from a hip problem.
Giteau is likely to take over the kicking duties from James O'Connor.
Australia coach Robbie Deans has stuck with the same tight five that struggled last week against England - conceding two penalty tries.
He was hoping to recall Tatafu Polota-Nau but the hooker aggravated an ankle injury playing for the Australian Barbarians in the loss to England during the week.
O'Connor keeps his place at full-back while Adam Ashley-Cooper, who was the first-choice number 15 last year, replaces Kurtley Beale on the bench.
"It was probably one of the hardest selection processes I've been involved with, mostly concerning the nine, 12 and 15," said Deans. "It's a good problem to have though."
Australia: James O'Connor; Digby Ioane, Rob Horne, Matt Giteau, Drew Mitchell; Quade Cooper, Will Genia; Ben Daley, Saia Faingaa, Salesi Ma'afu, Dean Mumm, Nathan Sharpe, Rocky Elsom (captain), David Pocock, Richard Brown.
Replacements: Huia Edmonds, James Slipper, Mark Chisholm, Matt Hodgson, Luke Burgess, Berrick Barnes, Adam Ashley-Cooper.
England: Ben Foden (Northampton); Mark Cueto (Sale Sharks), Mike Tindall (Gloucester), Shontayne Hape (Bath), Chris Ashton (Northampton); Toby Flood (Leicester), Ben Youngs (Leicester); Tim Payne (Wasps), Steve Thompson (Leeds), Dan Cole (Leicester), Courtney Lawes (Northampton), Tom Palmer (Stade Francais), Tom Croft (Leicester), Lewis Moody (Leicester, capt), Nick Easter (Harlequins).
Replacements: George Chuter (Leicester), David Wilson (Bath), Simon Shaw (Wasps), James Haskell (Stade Francais), Danny Care (Harlequins), Jonny Wilkinson (Toulon), Delon Armitage (London Irish).