Nathan Lyon had Jonathan Trott caught at short leg, England v Australia, 4th Investec Test, Chester-le-Street, 1st day, August 9, 2013© Getty Images
Kevin Pietersen was immediately on the attack against Nathan Lyon, England v Australia, 4th Investec Test, Chester-le-Street, 1st day, August 9, 2013© PA Photos
Jonathan Trott walks off after making 49, England v Australia, 4th Investec Ashes Test, Chester-le-Street, 1st day, August 9, 2013© Getty Images