Routes to Hampdenpublished at 14:47 Greenwich Mean Time 26 November 2017
Motherwell v Celtic (15:00)
The underdogs have certainly earned the right to be here, knocking out Aberdeen and Rangers along the way.
Motherwell topped Group F, with wins over Queen's Park, Morton, Edinburgh City and Berwick Rangers.
The knock-out rounds started with an extra-time 3-2 victory at Ross County, then a hugely impressive 3-0 demolition of the Dons before Rangers were beaten 2-0 at Hampden last month.
Celtic's passage has been shorter since European representatives are spared July's group phase. It has also been high-scoring, with a 5-0 win over Kilmarnock and a 4-0 win at Dundee before Hibernian were overcome 4-2 in the semi-final.