"But, hopefully, we will chisel away at that over the next few weeks, and we'll be in good shape come that Champions Trophy." The 43-year-old was appointed England's white-ball coach in September, succeeding Matthew Mott, and he will now juggle between his role as Test coach while guiding the limited-overs side.

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,

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.