Valarura has been ruled out of Sunday’s Pacific Four-Series Test against the United States in Auckland with an injury (10.15am kickoff AEST).
Hooker Adiana Talakai and winger Ivania Ong were knocked out in a 23-10 loss to New Zealand in Tauranga on Monday.
Ashley Masters and Jemima McCallman arrive at Australia’s XV, Brumbis winger McCallman starts his first Test.
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Meanwhile, Talakai’s knee injury has opened the door for Wallace’s debut from the bench for Reds hooker Tierna Malloy.
“Despite the results, we were quite impressed with the team’s performance against New Zealand last week,” said Valeros coach Jay Tragning.
“We’ve had a few bumps and bruises along the way – fortunately we’ve been able to cover it with the depth of our current squad.
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“There are some players who will now have the opportunity to make a mark directly from the kick off and I know they are keen to make an impact and keep that starting jersey.”
The USA lost 36-5 in the opening match of the tournament on Monday but Tragning showed enough respect for their ability.
“The United States has become a bit of a powerhouse in women’s rugby on the world stage, and they’re going to be a very strong opponent,” Tragning said.
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“The only time Valerora beat the United States at the 2002 Rugby World Cup in Barcelona is because it has some history.”
Canada will face New Zealand in the second match on Sunday.
Black Furnace coach Wayne Smith has named two uncapped players starting at the Amy du Plessis center and 18-year-old midfielder Sylvia Brant on the bench.
“Canada looked physical against the United States, they were explosive and we know they have added players to their squad from the English Premiership this week,” Smith said.
“It’s definitely going to be another tough match, but that’s where you’ll learn and that’s exactly what we want.”
Canada have yet to beat New Zealand 17 times.
Wallaros (15-1): Laurie Kramer, Mahalia Murphy, Georgina Friedrichs, Pauline Pilia-Rasabelle, Jemima McCallman, Trillin Pomare, Eliseva Batibasaga, Grace Hamilton, Shannon Parry (C), Emily Chancellor, Keitlan Liani, Mikela . Leaf
Reserve: Tierna Malloy, Madison Schuck, Asoiva Corpani, Annabel Code, Piper Duck, Lane Morgan, Cecilia Smith, Arbela Mackenzie
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