Scotland have announced their squad to face Poland and Gibraltar in their final Euro 2016 qualifying matches - and one name stands out.
Whilst Blackburn's Jordan Rhodes and Wolves midfielder Kevin McDonald are in the squad, Aberdeen left back Graeme Shinnie handed his first ever call-up to the Scotland side.
The 24-year-old defender, who joined the Dons from Inverness over the summer, has had a superb start to the season under Derek McInnes, and his performances have been rewarded with a place in Gordon Strachan's 27-man squad.
Shinnie's move to Aberdeen was on a free transfer after his Inverness contract had expired, and many Celtic fans will be wondering why the didn't make a move for the player.
Long-term Bhoys left back Emilio Izaguirre has been inconsistent at best in 2015, and manager Ronny Deila spent most of the summer searching for a player to come in and compete with the Honduran - or possibly even replace him at some stage.
Eventually, Manchester United's Tyler Blackett joined on loan, but even he is a centre back by trade who can fill in at left back if needed; not the competition fans had in mind heading in to the summer transfer window.
Yet with Shinnie, Celtic could have signed a consistent, attacking left back on a free transfer, giving Deila just what he needed on the left hand side of his defence.
It's unclear why Celtic chose not to sign Shinnie, but his international call-up comes at a time where Strachan has a number of left backs in the reckoning, such as Andrew Robertson, Lee Wallace and Craig Forsyth, illustrating just how highly-rated Shinnie is.
Given Celtic's recent transfer strategy of targeting Scottish players - after all, Gary Mackay-Steven, Stuart Armstrong, Scott Allan and Ryan Christie have all signed for the Bhos in 2015 - it would be little surprise to see them target Shinnie somewhere down the line.
Yet having had him in their lap on a free transfer, it currently looks like the Bhoys made a mistake by not pursuing Shinnie; and Deila's loss appears to be Aberdeen's gain, with the Dons lodging a serious title challenge this season, in which Shinnie is playing a huge part.