While fans have been in party mode for the last few days and weeks, there is a sense that some are now starting to crunch the numbers.
“I’ve got my spreadsheets out everyday. We’re not counting our chickens yet, but I feel like we should be ok,” said Brian Guthrie from Inverness.
“I phoned in sick to be here, I’ll be gutted not to go on. I’d love to go to Mexico City and the spreadsheet says it could happen.”
For Ewen MacDonald, from Machrihanish in Argyll and Bute, the match is also a chance to rewrite history.
The 44-year-old celebrated his birthday in Miami on Tuesday, exactly 28 years after watching Scotland’s 3-0 defeat to Morocco on his 16th birthday – a result that ended the nation’s World Cup hopes in France 1998.
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