Jordan Petaia and Rory Arnold have been ruled out of Australia’s Test against Italy in Padua due to injury.

The 18-year-old Reds wing was set to become the youngest Australian debutant since James O’Connor in 2008 after being named in the starting lineup.

On Friday, it was confirmed that the teenager had picked up a hamstring strain and has been replaced in the team by Marika Koroibete.

Meanwhile, replacement lock Arnold sustained an eye socket injury and his place on the bench has been taken by Rob Simmons.

Wallabies – 15 Israel Folau, 14 Adam Ashley-Cooper, 13 Samu Kerevi, 12 Bernard Foley, 11 Marika Koroibete, 10 Matt Toomua, 9 Jake Gordon, 8 David Pocock, 7 Michael Hooper (c), 6 Jack Dempsey, 5 Adam Coleman, 4 Izack Rodda, 3 Taniela Tupou, 2 Folau Fainga’a, 1 Scott Sio
Subs: 16 Tatafu Polota-Nau, 17 Jermaine Ainsley, 18 Sekope Kepu, 19 Rob Simmons, 20 Pete Samu, 21 Will Genia, 22 Kurtley Beale, 23 Dane Haylett-Petty.

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Photo: Stuart Walmsley/Rugby Australia