South Africa's Ryan Rickelton finishes the first days play with a score or 176 during the second test match between South Africa and Pakistan in Cape Town, South Africa.

Pakistan bowler Mohammad Abbas in action while South Africa's Aiden Markram looks on during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Ryan Rickelton plays a shot during the second test match between South Africa and Pakistan in Cape Town, South Africa.

Pakistan's Saim Ayub, left, sits injured on the ground during the second test match between South Africa and Pakistan in Cape Town, South Africa.

Pakistan's Saim Ayub is helped from the field after injuring his ankle while fielding the ball during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South African batsman Aiden Markram in action during the second test match between South Africa and Pakistan in Cape Town, South Africa.

Pakistan's Shan Masood celebrates the wicket of Aiden Markram during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Wiaan Mulder bats, during the second test cricket match between South Africa and Pakistan, in Cape Town, South Africa.

Pakistan's Mohammad Abbas and Babar Azam celebrate the wicket of South Africa's Wiaan Mulder, during the second test cricket match between South Africa and Pakistan, in Cape Town, South Africa.

Pakistan wicket keeper Muhammad Rizwan, right, takes the catch of South Africa batsman Tristan Stubbs during the second test match between South Africa and Pakistan in Cape Town, South Africa.

Pakistan players celebrate the wicket of South African batsman Tristan Stubbs during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Ryan Rickelton plays a shot while Pakistan's Mohammad Rizwan and Pakistan's Babar Azam watch on during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Temba Bavuma, right, plays a shot while Pakistan's Mohammad Rizwan watches on during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Ryan Rickelton, center, celebrates his 100 runs during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Temba Bavuma, right, receives medical attention while teammate South Africa's Ryan Rickelton looks on during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Temba Bavuma celebrates his century during the second test match between South Africa and Pakistan in Cape Town, South Africa.

South Africa's Temba Bavuma celebrates his century during the second test match between South Africa and Pakistan in Cape Town, South Africa.