Four days ago, we wrote that Siya Kolisi was finally playing again. The Springboks captain started in the back row in Buenos Aires, his first appearance of 2026. It lasted twenty-four minutes. He went off clutching the back of his thigh, was replaced by Marco van Staden, and watched his side win 17-10 without convincing. The first Test against the All Blacks at Ellis Park is less than two weeks away.
Twenty-four minutes, three tackles, five carries
Siya Kolisi’s evening fits into a single line of statistics. Starting at flanker, he left the Estadio José Amalfitani in the 24th minute with his hand on the back of his thigh. Marco van Staden replaced him. At the press conference, the captain confirmed the nature of the injury and said he would have a scan.
It is the second time in a year that the same muscle has forced him out of a match. The schedule leaves him no margin: the first of four Tests against the All Blacks is at Ellis Park, a ground where South Africa never willingly turn up below full strength.
The trend nobody is looking at
Public debate is focused on that one Test. The last four years are more telling. Here is the share of Springboks matches their captain actually played.
| Year | Springboks matches | Kolisi | Share |
|---|---|---|---|
| 2022 | 13 | 12 | 92% |
| 2023 | 13 | 8 | 62% |
| 2024 | 13 | 9 | 69% |
| 2025 | 15 | 11 | 73% |
| 2026 | 4 | 1 | 25% |
In 2022, Kolisi played almost everything. Since then, he has hovered around seven matches out of ten. And this year, out of South Africa’s four outings, he has played just one, Saturday’s, for twenty-four minutes.
The 2026 breakdown speaks for itself: absent against England on 4 July, absent against Scotland on the 11th, absent against Wales on the 18th. South Africa won those three matches 45-21, 42-28 and 43-0. The perfect start to the Nations Championship was built without him.
A captain his team has learned to replace
That may be the real lesson. At 35, with 104 caps since his debut in June 2013, Kolisi is no longer a piece whose absence throws anything into disarray. Rassie Erasmus has spent four seasons building a squad with two possible starters in every position, and the back row is where that depth is most visible.
Against Argentina, it was in fact another back-rower, Cameron Hanekom, who scored the decisive try and earned the best ratings in the South African press. Marco van Staden, on for the captain, held his own for fifty-six minutes.
What the series will really cost
Still, the series against the All Blacks is not a July Test. Four matches in five weeks, three in South Africa and one in the United States, against the opponent that pushes the Springboks hardest. Both teams arrive with questions over their depth, and Schalk Burger has said publicly that the New Zealanders’ high tempo could cost them dearly over the long run.
In that context, the question is not whether South Africa can win without Kolisi; they have already shown it three times this summer. It is whether they can afford to bring him back half-fit for a fourth Test, having got through eighty per cent of their season without him.
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