Brendon McCullum 's era as England's white-ball head coach gets underway in Kolkata on Wednesday, with a promise to carry over his Test team's focus on aggression and entertainment, both in their upcoming series against India and on into the Champions Trophy, and a faith that captain Jos Buttler' s "best years are yet to come".

England’s new white-ball era under Brendon McCullum began on a bum note as India drew first blood in the five-match T20 series with a comprehensive seven-wicket victory in Kolkata.

England begin their white-ball era under Brendon McCullum in a Twenty20 series against India beginning in Kolkata on Wednesday with the coach promising the same attacking brand of cricket that has been the hallmark of his coaching.