The Belgian mentor made the statement following the 1-1 draw against Panama at the Moses Mabhida Stadium on Friday, where the veteran midfielder featured for an hour before being substituted for Relebohile Mofokeng.
"I think everybody saw why I put him [Zwane] in the team today, today. He is such a good player," said Broos after the match.
"He made us play better football. But I knew also that he's not ready to play 90 minutes. And we have to take attention with him and be careful with him, not to overload him because when you overload him, he could have injuries, I'm sure of it."
The 34-year-old Zwane was making his first appearance since 2024, where he ruptured his Achilles tendon, leaving him out of action for several months before a knee injury derailed his comeback in August 2025.
"We will see him next Tuesday, he'll recuperate. And if he recuperates, he will play again, because he needs that," added Broos.
"If Themba stays like he is now, fit, no injuries, then even when he’s not ready for 90 minutes, he will be with us at the World Cup."
Bafana will take on Panama in the second international friendly at the DHL Cape Town Stadium on Tuesday.
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Bafana Bafana head coach Hugo Broos admits he wants more from Lyle Foster after describing the Burnley striker as lazy following the 1-1 friendly draw with Panama.
Panama head coach Thomas Christiansen believes both his side and South Africa must raise their level if they are to compete on the global stage, following their 1-1 draw in Durban on Friday.
Hugo Broos was encouraged by his side's performance despite Bafana Bafana being held to a 1-1 draw by Panama in an international friendly at the Moses Mabhida Stadium on Friday night.
