The South African team medical staff will again be keeping a close eye on opening bowler Vernon Philander in the lead-up to the second test against New Zealand, starting in Port Elizabeth on Friday.
Philander, who collected his fifth man of the match award in only 13 matches after destroying the New Zealand batting in the first test at Newlands, was a doubtful starter for the match after injuring his left hamstring less than two weeks earlier.
He felt stiffness in the same hamstring in the second innings and left the field before South Africa completed a win by an innings and 27 runs inside three days.
The selectors have added Ryan McLaren of the Chevrolet Knights to the Test squad as cover for Philander
Cricket South Africa has meanwhile named four new caps in the Proteas squad for the three-match ODI series against New Zealand.
They are the Highveld Lions duo of Quinton de Kock and Aaron Phangiso, Farhaan Behardien of the Titans and Rory Kleinveldt.
All four have represented the Proteas in the T20 squad while Kleinveldt has also been part of the Test squad.
The selectors have decided to rest Jacques Kallis as part of the process of managing his workload. JP Duminy remains on the long-term injury list.