Dean Greyling, Basil Short and Hencus van Wyk have been withdrawn from this weekend's matches after suffering minor injuries.
The Vodacom Bulls props were returning home from a hunting trip just outside Pretoria on Wednesday when their vehicle overturned.
Greyling (knee) and Van Wyk (scrape wounds) were due to play for the Bulls against the Lions and Short (neck) against the Limpopo Blue Bulls in the Vodacom Cup on Saturday.
Greyling and Van Wyk will still travel with the Bulls on their overseas tour departing on Sunday.
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