Captain Joe Root says England's squad can win the big moments to secure an Ashes win in Australia and that he'd be foolish not to understand this series will define him.
Set for a third tour and second as captain - his first was his first overseas tour as skipper - Root will walk onto the Gabba on Wednesday as the world's top-ranked Test batsmen in rare form.
His 1455 runs in 12 matches at an average of 66
