South Africa has included uncapped seamers Daryn Dupavillon and Ottniel Baartman in an extended 21-man Test squad for its first return to Pakistan for 14 years later this month. South Africa will play Tests in Karachi and Rawalpindi, starting on January 26 and also welcome back fast bowler Kagiso Rabada and all-rounder Dwaine Pretorius, as well as spinners Tabraiz Shamsi …