Manchester United legend Gary Neville once called it the most high-pressure role in English football. One suspects former team-mate Peter Schmeichel knows where he is coming from. Arguably the finest goalkeeper in Manchester United’s history spent eight years as the number one under Sir Alex Ferguson, departing on the highest of highs that was the fabled Treble of 1999. That the Red Devils struggled for so many years attempting to fill that colossal void between the sticks is testament not only to just what a presence Schmeichel was at his peak, but what Neville was referring too when he said …