England's Joe Root hugs England's Mark Wood (Centre) as England celebrate his first wicket in his first over Australia's David Warner out for a duck caught England's Jos Buttler (WK) England v Australia - Ashes Series 2015 - 4th Investec Test Match - Day 1 - Trent Bridge - Nottingham - 06/08/2015 Mandatory Credit: ANDREW FOSKER / Seconds Left