However, goalkeeper Craig Gordon is back with the team.
Due to a hamstring strain sustained during Aston Villa’s victory over Wolves last month, McGinn, 29, is anticipated to miss three to four weeks of play and, remarkably, will have to miss the international break.
Due to a hamstring problem, 27-year-old center back McKenna has missed Las Palmas’ last three games. Ryan Gauld, a midfielder, is included in the team despite missing recent Vancouver Whitecaps games. Gauld received his first two caps as a substitute in September’s games.
First call-ups for Aberdeen’s full-back position: Liam Lindsay, a center back for Preston North End; Andy, a midfielder for West Ham United; and Nicky Devlin.
On October 12, Scotland takes on Croatia in Zagreb; three days later, Portugal makes an appearance at Hampden.
Following Poland’s late goal to win 3-2 in Glasgow, Cristiano Ronaldo’s 88th-minute winner in Lisbon last month condemned Steve Clarke’s team to back-to-back losses in Nations League A.
