Cricket Australia has called a press conference for midday today in Bristol, where the main topic on the agenda is to “discuss the coaching structure of the team”.
Injured captain Michael Clarke is also said to have quit as a selector.
Australia have two warm-up matches, the first starting on Wednesday in Taunton against Somerset, ahead of the first Test at Trent Bridge on July 10.
Arthur became Australia’s first overseas coach when he succeeded Tim Nielsen in 2011. He was chosen after his impressive results with the South African team, including his country’s first series win over England in 43 years.
In his time with the national team, Australia’s results have been mixed in Tests, with 10 wins, six losses and three draws.
This year the team has been beset by dramas off the field, including the axing of four players for one Test for not submitting assigned homework.
Shane Watson has resigned as vice-captain and David Warner’s been in strife for nasty tweets at a journalist and for throwing a punch at England’s Joe Root.
Despite the predicted announcement, Arthur was certainly singing from the right hymn book about his underdog side last week.
He said Australia had “the best bowling attack in the world”.
“England are a very good cricket side but I would like to see how they handle pressure for a sustained period of time,” he told the BBC.
“I honestly believe we can win the Ashes – we have the best all-round bowling attack in world cricket.”
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