SYDNEY :Australia fast bowler Pat Cummins will not be fit for the first Ashes test in Perth next month and will be replaced as captain by Steve Smith, Cricket Australia said on Monday. Cummins has been sidelined by a lower-back issue since July and was already a major doubt for the series opener against England, which starts on November 21. CA said in a statement that Cummins had now resumed running and would be back bowling soon, offering hope the 32-year-old might be fit to take part in the