The Tartan Army travel to Moldova first before hosting the Danes at the Hampden Park. They will, however, play the former match without talisman Lyndon Dykes who is suspended.
Scotland are in a good position to earn a play-off spot but positive results will help with the team's chances of being seeded which means a home tie in the first play-off fixture.
Clarke does have some injury concerns, namely Kieran Tierney, while there are players, both in Scotland an abroad, pushing for inclusion at the expense of others who have not been in great form for their club side.
On the domestic front, clubs are beginning to look towards the January transfer window which opens in less than two months’ time.
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9. Mulumbu on Celtic move
Former Kilmarnock star Youssouf Mulumbu revealed there was interest from Rangers and Aberdeen when he signed for Celtic. A conversation with then Celtic boss Brendan Rodgers helped seal the deal after a switch to France fell through, while he also turned down former club West Brom. Mulumbu said: “I almost lost everything because my agent was very bad and my family was starting to fight with each other. So it was a good thing for me to go to Celtic because people saw me as a good player.” (High Press Podcast) Photo: SNS Group Ross Parker