On this week's Sky Sports Cricket Podcast Michael Atherton and Nasser Hussain discuss the news that Brendon McCullum has been appointed as England's next white-ball head coach, combining the role with his leadership of the Test side.Plus, after his recent performances they discuss whether Joe Root is England's greatest ever Test batter.And they speak to their former teammate - Dean Headley who gives us the lowdown on Josh Hull and talks about the pathways for young cricketers to emerge onto the first-class scene.