The Australian cricket team will be back training on Saturday as it tries to go four-nil up in the Ashes series.

Shane Warne's retirement announcement has dominated the last two days, with the leg spinner set to take his 700th Test wicket in the Boxing Day Test.

While Warne joined Damien Martyn in announcing their retirements, paceman Glenn McGrath is giving little away about his future.

Speaking in Sydney on Friday, McGrath said he was focusing on the rest of the Ashes series, then the one-day series against England and New Zealand and hopefully the World Cup in the West Indies.

Asked directly whether or not Sydney would be his last Test, a cagey McGrath said: "All I'm saying is that, to me, it's business as usual.

"I'm just preparing for these next two Test matches, then it's the one-day series and then I'll take it from there."

Complicating McGrath's decision is the fact Australia's next Test after the Ashes series isn't for another 11 months.

"It is (a big break) and I wouldn't mind a bit of an off-season. It'll be good," McGrath said.

"I guess we'll have to wait and see, won't we, (whether I will play on).

"How can I say it without saying one thing or the other?"

Australia has picked the same 12 that played in Perth.

England trained on Friday, while former captain Michael Vaughan said he had no idea who would lead the team after this Ashes series.

Andrew Flintoff has led England in the Tests and Vaughan will return from injury for the upcoming one dayers.

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