Towering paceman Chris Tremlett will get an early chance to press for an Ashes Test place as England open their tour Down Under against a Western Australia Chairman's XI in Perth on Thursday.
Captain Alastair Cook says a place is up for grabs in England's pace attack behind first-choice quicks Jimmy Anderson and Stuart Broad and has given the incentive to Tremlett, Steven Finn and Boyd Rankin to go after it.
Broad has a back complaint and was left out of the three-day tour opener, which will give coach Andy Flower the chance to see all three of England's giant fast bowlers go head to head.
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Pietersen has been given more time to acclimatise to Australian conditions after linking up late with the team, while spinner Swann has also been given a rest.
Tremlett has had past success bowling on Australian wickets and proved a handful, taking 17 wickets in three Tests on England's last tour Down Under three years ago.
"The first week or so everyone is a little tentative and going through the gears," the Surrey bowler said.
"But when I go into the warm-up games and Test matches, I'll be throwing myself into it and not holding back because I want to give myself the best chance of playing in the first Test.