Tottenham, currently 12th in the Premier League, are 96 places above Tamworth, who sit 16th in the fifth-tier National League.The supposed gap in quality was rarely apparent as Tottenham’s dismal display took them to the brink of a historic humiliation.A part-time team whose players work day jobs alongside their football careers and only train twice as week, Tamworth matched their highly-paid and supposedly superior opponents for long periods on the Lamb Ground’s sloping artificial pitch. They should have caused one of the FA Cup’s greatest upsets in normal time but their missed chances…