Scotland announced the latest roster, with Robertson, McGinn, Tierney, McTominay, Gilmour and other players selected.
In this month’s World Cup preliminaries, Scotland will face Greece and Denmark.
Scotland World Cup qualifying roster:
Goalkeepers: Scott Byrne (Fakik), Craig Gordon (Hearts), Lim Kelly (Rangers)
Defenders: Doig (Sassuolo), Grant Hanley (Hibernian) Nian), Jack Hendry (Daman), Aaron Hickey (Brentford), Ross McCrory (Bristol City), Scott McKenna (Dinamo Zagreb), Ralston (Celtic), Robertson (Liverpool), John - Soutar (Rangers), Tierney (Celtic)
Midfielder: Christie (Bournemouth), Lewis Ferguson (Bologna), Ben Doc (Bournemouth), Gilmour (Naples), McGinn (Aston Villa), Mai Klein (Norwich), McTominay (Naples), Lennon Miller (Udinese)
Forwards: Che Adams (Torino), Dykes (Birmingham), George Hurst (Ipswich), Shankland (Hearts)