RSA Vs PAK, Boxing Day Test: Paterson, Bosch Trigger Pakistan Batting Collapse On Day 1

South Africa's Corbin Bosch, centre, celebrates with teammates after taking a wicket of Pakistan's Shan Masood for 17 runs during day one of the first cricket test between South Africa and Pakistan, at the SuperSport Park, Centurion, South Africa.

Pakistan's Saud Shakeel plays a shot during day one of the first cricket test between South Africa and Pakistan, at the SuperSport Park, Centurion, South Africa.

South Africa's Dane Paterson, right, celebrates after dismissing Pakistan's Saud Shakeel during day one of the first cricket test between South Africa and Pakistan, at the SuperSport Park, Centurion, South Africa.

South Africa's Dane Paterson, centre, celebrates after dismissing Pakistan's Saim Ayub during day one of the first cricket test between South Africa and Pakistan, at the SuperSport Park, Centurion, South Africa.

Pakistan's Kamran Ghulam makes a run during day one of the first Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

South Africa's Kagiso Rabada, left, exchanges words with Pakistan's Kamran Ghulam during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

South Africa's Kagiso Rabada, second from right, celebrates with teammates after taking a catch to dismiss Pakistan's Kamran Ghulam during day one of the Test cricket match between South Africa and Pakistan, at Centurion Park in Centurion, South Africa.

South Africa's Dane Paterson, right, celebrates after dismissing Pakistan's Mohammad Rizwan during third International cricket match between South Africa and Pakistan, at Centurion Park, in Johannesburg, South Africa.

South Africa's Corbin Bosch, left, celebrates after bowling out Pakistan's Aamer Jamal during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

South Africa's Dane Paterson, centre, celebrates with teammates after dismissing Pakistan's Salman Agha during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

South Africa's Corbin Bosch, left, falls down after his delivery against Pakistan's Mohammad Abbas during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

Pakistan's Khurram Shahzad plays a shot during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

Pakistan's Khurram Shahzad misplay a delivery during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

Pakistan's Khurram Shahzad, left, celebrates after bowling out South Africa's Tony de Zorzi during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.

Pakistan's Mohammad Abbas, right, successfully appeals for LBW against South Africa's Tristan Stubbs for 9 runs during day one of the Test cricket match between South Africa and Pakistan, at the Centurion Park in Centurion, South Africa.