With Angus Gunn losing again, would you stay with Craig Gordon to the great old age of 42 ahead of younger men Liam Kelly and Cieran Slicker, none of whom begins by Rangers or Ipswich Town, respectively?
Nicky Devlin is the last victim of the lesion on the right side since November, so it is a direct race on that side of the park between Anthony Ralston, who has had a good performance for Scotland despite not starting with Celtic, and Max Johnston, which begins with Sturm Graz.
On the other side, with Greg Taylor abandoning, Kieran Tierney makes a return welcome after not only recovering from an injury, but also forcing himself to the action of the first team with the arsenal.
However, he raises the question of whether or not you try to take Tierney and Captain Andy Robertson to the same team.
With five plants specialized in the team, does that suggest that Clarke plans to start three in the background and, if so, would use Tierney there ahead of three of them?
In the midfield, Lennon Miller, 18, 18, has earned his first call, while Ryan Gauld, Connor Barron and Stuart Armstrong have abandoned.
Would you take a teenage debutant in that game? The captain of Bologna again, Lewis Ferguson, enters your calculation, or is a direct battle among the unconditional Billy Gilmour, Scott McTominay, John McGinn, Ryan Christie and Kenny McLean?
In fact, with Ben Doak was injured after the end of 19 years borrowed to Middlesbrough from Liverpool caused a great impression the last time, how do you shape the team without its rhythm in the wings when there are no Lewis Morgan or James Forrest either?
There is also a dilemma in front with Lyndon Dykes wounded and Lawrence Shankland fell.
Che Adams has been Clarke’s man, but would you choose the less experienced Tommy Conway, the remembered Kevin Nisbet, or one of the other squad debutants, the heart of James Wilson of 18 years of Midlothian or George Hirst of Ipswich Town?
