Cape Town: South African fast bowler Kagiso Rabada was on Tuesday ruled out of the three-match one-day international series against England, which starts in Cape Town on Friday.
A statement from Cricket South Africa said Rabada had suffered a right hip strain which would take about three weeks to heal.
He would be released from the South African team's bio-secure 'bubble' to begin rehabilitation with a view to being fit for a Test series against Sri Lanka starting on 26 December.
England will also be without a fast bowling star for the series.
It was previously announced that Jofra Archer, along with Ben Stokes and Sam Curran, would be rested from the series after completing a Twenty20 international series which ends on Tuesday.
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The squad includes two fast bowlers, Daryn Dupavillon and Ottneil Baartman, who have not yet played at Test level. Dupavillon has played in one one-day international.
Boucher was speaking on the eve of South Africa’s departure for Pakistan, where they will play two Test matches, starting in Karachi on 26 January.
The England and Wales Cricket Board said Ali tested positive after taking a test on arrival at the airport in Hambantota on Sunday.