JP Duminy reaches his half-century, South Africa v Sri Lanka, 3rd Test, Johannesburg, 1st day, January 12, 2017© Gallo Images
JP Duminy leaves during his innings of 30, South Africa v Sri Lanka, 2nd Test, Cape Town, 3rd day, January, 4, 2017© Associated Press
The South African slip cordon appear relaxed in between deliveries, South Africa v Sri Lanka, 1st Test, Port Elizabeth, 2nd day, December 27, 2016© Getty Images