Virat Kohli reportedly gave the English team ammunition to sledge him when he spoke to former opener Nick Compton about talking to his ex-girlfriend.
South Africa-born Nick Compton played 16 Tests for England, scoring two hundreds.
Joe Root has been promoted one place up the order following former number three Nick Compton's decision
Jonny Bairstow won the Man of the Match for his 140 in the Leeds Test against Sri Lanka. However, he also snapped up nine catches and his improved keeping has been credited to a goalkeeping session for Newcastle United.
Nick Compton, grandson of England great Denis, opened in nine consecutive Tests and struck back-to-back hundreds on England's tour of New Zealand earlier this year.
Clarke, who had been suffering from a recurrence of his longstanding back injury during the early stages of the tour, got in touch for next week's first Test against England at Trent Bridge by making 124 off just 98 balls.
The 33-year-old Pietersen was included on Sunday in the England side playing Essex in a four-day Ashes warm-up match at Chelmsford.
Strauss, who masterminded back to back Ashes triumphs in 2009 and 2011 before retiring last year, has been stunned by the turmoil gripping the Australia squad ahead of the forthcoming series between the old rivals in England.
With the bowlers doing their job, all focus now shifts back to the batsmen, especially Watson. He has not opened a Test match innings for Australia since the second Test against South Africa in Johannesburg, 2011. Watson's Test average between 2009-11 was nearly 50 while between 2011-13 it has gone down to around 25.
Compton, who has opened for England alongside captain Alastair Cook in their last nine Tests, could manage just 39 runs in four innings in a 2-0 home series win over New Zealand last month.