Earlier this month, when explaining his decision to sign the former Manchester United youngster in an £8 million deal last summer, there was one word that leapt to mind for the 23-year-old’s new head coach. The word ‘complete’. The Manchester United academy graduate – who was plying his trade for Burton Albion in a 0-0 draw with Accrington Stanley in England’s third tier this time two years ago – is not just a shot-stopper. Matej Kovar is one of those goalkeepers who epitomises just how much the role has changed in the modern era, as comfortable passing out from the back as he is stopping shot…