He named his stand - in Faf du Plessis as replacement , a move that was confirmed by Cricket South Africa ( CSA ) .
On 12 December 2016 AB de Villiers stood down as South Africa 's Test captain .
AB de Villiers named AB de Villiers ' stand - in Faf du Plessis as replacement , a move that was confirmed by Cricket South Africa ( CSA ) .
On 12 December 2016 AB de Villiers stood down as South Africa 's Test captain .