Joe Root (L) celebrates as he gets the breakthrough taking the wicket of Australia's Michael Clarke (captain) out for 51 caught England's Alastair Cook (Captain) here he celebrates with Jonathan Trott (R) England v Australia - 2nd Investec Test Match - Ashes Series 2013 - Day 4 - Lord's Cricket Ground - London - 21/07/2013 - Photo: © Andrew Fosker / Seconds Left Images 2013