Smith seeks to 'stamp authority' on Australia

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Captain Steve Smith will be aiming to stamp his authority on a new-look Australia team in the third Test against South Africa at Adelaide Oval.

The hosts have already lost the three-match series after comprehensive defeats in Perth and Hobart, prompting Rod Marsh to quit as chairman of selectors and heralding sweeping changes for the day/night finale, which starts on Thursday.

Matthew Renshaw, Peter Handscomb and Nic Maddinson are all set for debuts, while Jackson Bird and Matthew Wade have also been called up.

Joe Burns, Adam Voges, Callum Ferguson, Peter Nevill and Joe Mennie are the men to drop out.

"I think it's a great opportunity for me to stamp my authority on this team as the leader," Smith told a press conference.

"I have talked a lot to the guys over the last couple of days about growth and trying to grow and learn as a team.

"I know that growth doesn't happen overnight, so it could take some time but I am confident that with the guys we have here we can start turning our results around straight away and start playing the way we want to play."

Australia have suffered from a series of costly collapses in recent Tests, prompting Smith to call for greater resilience during tough moments, something that could prove challenging given the inexperienced newcomers who are due to face the in-form tourists. 

"I think the focus is more around attitude and being able to be more resilient and adaptable to whatever conditions that are out there and identifying periods of the game that are difficult and getting through those periods," he said.

"I think recently we have struggled to identify the periods that are difficult and we have talked about them afterwards where there were moments where we could have done things better.

"It's about trying to stay in the moment and identify those periods and get through those periods and when you do that things get easier."