Kevin Walters has warned his Australian Kangaroos squad of a looming internal selection battle that will decide who will secure starting spots for the Ashes series.

Debate over who will secure a spot in the squad has now come to an end, with Walters calling on seven debutants to join the team's tour of England later this month.

Yet, the jostling for positions has just begun with Walters keeping the players on their toes with some big decisions ahead. Advertisement

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"It is a strong squad right across the board," Walters told 2GB's Wide World of Sports on Monday.

"We have great depth in all the positions, which we need for going over there.

"From a competitive point of view, it puts everyone on notice that you need to play well to keep

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