Three of the quarter-finals of the 2015/16 Scottish League Cup, presented by Utilita, go ahead this midweek.
On Tuesday, Morton welcome St Johnstone to Cappielow and the Highland derby sees Inverness Caley Thistle at home to Ross County, live on BBC Scotland with a 7.05pm kick-off.
Hearts take on holders Celtic at Tynecastle on Wednesday and the fourth quarter-final, between Hibernian and Dundee United at Easter Road, goes ahead on Wednesday November 4.
Semi-final ties will be played on the weekend of January 30/31 and the final is scheduled for Sunday March 13, 2016.