Anrich Nortje is ruled out of 3rd SA vs AUS Test. (AP)

South Africa have been dealt a blow ahead of the series-deciding third Test against Australia, with fast bowler Anrich Nortje ruled out due to a groin injury sustained during the second Test in Gqeberha. Cricket South Africa confirmed on Saturday that the 32-year-old, who pulled up in his fourth over and took no further part in the match, will miss the Newlands fixture starting Tuesday.

Nortje’s absence comes at a crucial juncture, with the three-match series locked at 1-1 after South Africa’s comprehensive innings-and-31-run victory levelled proceedings. The paceman had only recently returned to first-class cricket following a lengthy layoff caused by a series of injuries, making his withdrawal a significant setback for the hosts.

South Africa have otherwise named an unchanged 16-man squad for the decider, meaning the selectors have resisted the urge to make wholesale changes despite the injury concern.…