London, March 5 -- Former England captain Alastair Cook raised questions over the preparation and training standards of Three Lions under current head coach Brendon McCullum across all formats, saying that he is "not sure if he would have enjoyed the relaxedness" that currently prevails in the changing room when it comes to practice.

After failing to lead England to the ICC World Test Championships in two cycles despite some promising results, McCullum's start as a white-ball coach was not up to the mark as they lost a white-ball series to India and had a winless three-match campaign in the ongoing ICC Champions Trophy.

Speaking on the Load Of BS On Sport podcast as quoted by Wisden, Cook, the second-highest Test run-getter opened up on...