South Africa fast bowler Duanne Olivier, second from left, has taken 11 Pakistan wickets in the ongoing Test at Centurion. Christiaan Kotze / AFP
South Africa fast bowler Duanne Olivier, second from left, has taken 11 Pakistan wickets in the ongoing Test at Centurion. Christiaan Kotze / AFP

South Africa 'will have to knuckle down' despite needing only 149 to beat Pakistan in Centurion