How could the stock of the Scottish champions have risen so spectacularly a fortnight later against Pep Guardiola 's big City traders ?
The Scottish champions 's first match in Group C had ended in a club European record 7 - 0 filleting in Barcelona .
How could the stock of the Scottish champions , whose first match in Group C had ended in a club European record 7 - 0 filleting in Barcelona , have risen so spectacularly a fortnight later against Pep Guardiola 's big City traders ?