CAPE TOWN - South Africa have called up uncapped off-spinner Simon Harmer for the third and final Test against the West Indies. The 25-year-old Harmer has been brought into the squad to contest the slow bowler role with leg-spinner Imran Tahir, who recorded figures of 3-108 in 26 overs in the drawn second Test in Port Elizabeth. Harmer, who plays for the Port Elizabeth-based Warriors, is the second highest wicket-taker in South Africa 's domestic four-day competition this season with 17 in three matches and is also a handy lower order batsman.