Celtic winger James Forrest was a notable absentee during Scotland's final training session before jetting off to Croatia.
It's not known yet whether it was just a precautionary measure by the Scotland medical staff as they prepare to visit the Croats in the UEFA Nations League on Saturday evening and then host Portugal at Hampden Park a few days later.
Forrest, 33, has only recently got himself back involved with the national team following a strong end to the 2023/24 season at Celtic.
He was included among Steve Clarke's squad for Euro 2024 this summer, yet failed to make an appearance at the tournament.
He was also called up for the September internationals but withdrew along side Celtic teammate Greg Taylor.
With Callum McGregor now focusing on club football, Forrest and Anthony Ralston are the only Hoops representatives in the Scotland camp this time around.
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Ralston may end up being the lone soldier over in Zagreb though if Forrest isn't deemed fit enough to feature and add to his 39 Scotland caps.
Manager Clarke is already left with a selection dilemma after the likes of Kieran Tierney, John McGinn, Scott McKenna, Angus Gunn, Lewis Ferguson, and Lawrence Shankland were all forced to remain at home due to injury.
That means there's six uncapped players in the squad ready to grasp their chance.