Australia U20 coach Chris Whitaker has made eight changes for Saturday's final U20 Rugby Championship match against Argentina.
Whitaker has responded following a thumping defeat to South Africa, who will face New Zealand to decide the champion.
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A near-brand-new backline has been named, with Leo Jacques and Taione Taka the only two retaining their spots.
Waratahs duo Sam Blank and Joey Fowler start in the halves, with Reds playmaker Finn Mackay ruled out with a tight hamstring.
Josh Takai partners Fowler in the centres, with the Reds star joining the squad recently after Frankie Goldsbrough's shoulder injury.
Meanwhile, Taka is joined in the outside backs by Cooper Watters and Chayse Geros, with Geros elevated from the bench to play fullback.
Waters starred in their narrow defeat to New Zealand; however, he faced a nervous wait after his red card was eventually reversed.
In the forwards, Kenneth Harris is the lone change to the starting team, swapping with Isaac Fonua.
On the bench, Charlie Holyman and Jasper Asi are set for their first appearances of the Rugby Championship.
Angus Grover, Riley Whitfeld and Louis Fenwicke serve as the backs replacements.
Australia can finish as high as second place with a win over the Pumitas and results going their way in the New Zealand v South Africa match.
Australia U20 team list v Argentina U20
Nelson Mandela Bay Stadium on Saturday 9 May at 10:00pm (AEST).
1. Jacob Job
2. Ewald Kruger
3. Edwin Langi
4. Will Ross
5. Kenneth Harris
6. Luca Cleverley
7. Tom Robinson (c)
8. Eli Langi
9. Sam Blank
10. Jonty Fowler
11. Cooper Watters
12. Josh Takai
13. Leo Jaques
14. Taione Taka
15. Chayse Geros
Substitutes
16. Charlie Hollyman
17. Nick Hill
18. Jasper Asi
19. Isaac Fonua
20. Toby Brial
21. Angus Grover
22. Riley Whitfeld
23. Louis Fenwicke
