The three remaining ties in the third round of the Scottish League Cup take place this evening.
Dundee United and Dundee meet at Tannadice, three days after Jackie McNamara's side won 4-1 at Dens Park in the Scottish Premiership.
Celtic's game against Championship leaders Hearts at Parkhead is live on BBC Scotland, with a 7.15pm kick-off.
There is a Lanarkshire derby at New Douglas Park in the first part of a double header that sees Motherwell entertain Hamilton Accies at Fir Park on Saturday.
Aberdeen, Hibernian, Partick Thistle, Rangers and St Johnstone have already booked their place in the draw for the quarter-finals, which will be made at Tannadice after tonight's games are completed. It will be broadcast live on BBC Radio Scotland's Sportsound programme (810 MW).
The quarter-final ties will be played on the midweek of October 28/29, with the semi-finals on Saturday January 31 and Sunday February 1, 2015.
The final is scheduled for Sunday March 15, 2015.