Scotland take on England this weekend in what promises to be an intensely contested match, but should Gordan Strachan's men fail to produce a result after 90 minutes then their World Cup dream will be as good as over.
It's already a daunting task after their disappointing start to qualification, and Strachan is under increasing pressure for a number of divisive calls in terms of his team selection.
Choosing to marginalise Celtic striker Leigh Griffiths to a sub's role in favour of Stephen Fletcher has been a particularly unpopular choice, as many of the Tartan Army feel that Scotland's best players are not being picked. This is something that Stoke Midfielder Charlie Adam believes, although mainly because he himself has been left out in the cold.
Speaking on BBC Radio Five Live, Adam revealed that he has not spoke to any member of the Scottish management team in ages, and expressed his disappointment at not being told why he isn't being picked.
"My face doesn't fit"
Charlie Adam shares his thoughts on why he's not part of the Scotland squad. https://t.co/ZqaD3gxTMH
— BBC 5 live Sport (@5liveSport) November 7, 2016
If you ask Scotland fans why Charlie Adam isn't being picked, many of them will show you a YouTube clip as the main factor.
In a World Cup qualifier back in 2012, Adam's extremely poor tracking of Gareth Bale allowed the then Spurs man to score a late winner, and apparently that was the end of Adam's Scotland career. Strachan took over soon after and Adam has been unable to find a way back into the team.
It still seems strange that he shouldn't be called up to the squad. As he said above, Scotland are not blessed with options, and Adam's set-pieces and knack for banging in an absolute screamer out of nowhere you'd think he could be brought off the bench?
Apparently not, and he's not thrilled about it.