The South African physio attended to him, and Nandre Burger decided to walk off the field. Aiden Markram completed the over in place of him.
Pakistan vs South Africa 3rd ODI Highlights: Saim Ayub hit a half century and spinner Abrar Ahmed took four wickets as Pakistan beat South Africa by seven wickets.
The 31-year-old Sandeep was earlier ruled out of the season due to a fracture to his finger after featuring in 10 matches
Burger, 29, experienced discomfort in his lower back.
Rajasthan Royals' seasoned campaigner Trent Boult on Sunday picked Riyan Parag and Nandre Burger as the two players in his side who would have a key role to play in the ongoing IPL season.
Riyan Parag hammered seven fours and six sixes, and took Anrich Nortje to the cleaners in the final over, scoring 25 runs.
Heinrich Klaasen blasted Durban's Super Giants into their first-ever SA20 final as the Super Giants comfortably beat Joburg Super Kings by 69 runs in Qualifier 2 at the Wanderers
India vs South Africa: In a spectacular day for the bowlers, there were mind games being played too
Virat Kohli looked a million dollars as he did extensive simulation for South Africa's left-arm pacer Nandre Burger but Shreyas Iyer's problems seemed to continue while facing a barrage of short balls
Opener Tony de Zorzi slammed a magnificent maiden hundred to complement a superlative effort by his team's bowlers as South Africa humbled India in the second ODI