TAUNTON, England (AP) — Allrounder Marcus Stoinis has a side strain that will rule him out of Australia's Cricket World Cup game against Pakistan on Wednesday and possibly for the rest of the tournament.

The Australians are flying in another allrounder, Mitchell Marsh, as cover in case Stoinis needs to be replaced in the 15-man squad.

Medium-pacer Stoinis was injured on Sunday while bowling in his second spell in the loss to India at the Oval. He returned late and took the big wickets of India skipper Virat Kohli and ex-captain Mahendra Singh Dhoni to finish with 2-62.

"He won't be available for, especially for tomorrow. So we're going to have to juggle around especially that allrounder spot," Australia captain Aaron Finch told a pre-match news conference on Tuesday. "Not exactly sure on how many games he'll miss. That's why Mitch is flying over.

"Over the next couple of days we'll have a clearer picture on what that looks like."

Marsh, who has played 53 ODIs and was part of Australia's World Cup-winning squad in 2015, had been scheduled to arrive on Friday as part of an extended group of players preparing for the Ashes test series in England.

Finch said Marsh was traveling early "just as a bit of a precaution ... if Stoinis doesn't recover quickly enough or doesn't respond to treatment well enough over the next few days."

The injury means an enforced change to Australia's lineup to face a Pakistan team that was bounced out for 105 by the West Indies in its opening game but rallied to beat top-ranked England. Pakistan had to share the competition points with Sri Lanka when their last group game in Bristol was washed out.

There's rain in the forecast this week across England, and the weather conditions could also play a role in the composition of the Australia XI. The defending champion opened with a comfortable win over Afghanistan in Bristol and then had to overcome the loss of early wickets to beat West Indies in its second game.

Finch said the decision on whether to bring in an extra batter or bowler was "something we've got to juggle with," with the option of batting wicketkeeper Alex Carey at No. 6 to strengthen the bowling attack.

"It's one of those things we'll have to weigh up ... this afternoon and come up with what looks like the best 11 to beat Pakistan."

Australia swept Pakistan 5-0 in the United Arab Emirates in its last one-day international series before coming to England for the World Cup.

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