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Scotland's alarming defeat by Greece in the Nations League play-off leaves head coach Steve Clarke with much to ponder, writes Tom English.

Watch the best of the action as Greece overturn a 1-0 first-leg deficit with an impressive 3-0 win over Scotland at Hampden to relegate the hosts to Nations League B.

Scotland concede in the opening seconds of the second half as Christos Tzolis puts Greece three goals up at Hampden and 3-1 ahead on aggregate in the Nations League play-off.

Seventeen-year-old Konstantinos Karetsas curls a fine strike into the top corner to put Scotland two down at Hampden and gave Greece the aggregate lead in the Nations League play-off.

Steve Clarke talks tactics, Ryan Christie's best role, Scotland's development and more in an exclusive interview with BBC Scotland's Jane Lewis.

Scotland take a hard-earned 1-0 lead into Sunday's second leg against Greece at Hampden Park, but no-one in their ranks is taking overall victory for granted, especially with the threat of a 'pretty special' 17-year-old in Konstantinos Karetsas.

Uncapped teenagers Lennon Miller and James Wilson are named in Scotland's squad for this month's Nations League play-off matches with Greece.