Pat Cummins celebrates Dale Steyn's wicket, South Africa v Australia, 2nd Test, Johannesburg, 4th day, November 20, 2011© AFP
Pat Cummins to 6 for 79 on debut, South Africa v Australia, 2nd Test, Johannesburg, 4th day, November 20, 2011© AFP
Hashim Amla celebrates his hundred, South Africa v Australia, 2nd Test, Johannesburg, 4th day, November 20, 2011© AFP