Managerless Ross County have signed striker Michael Gardyne on loan until January.
Goals from Chris Erskine, Jaroslaw Fojut and Blair Spittal gave Dundee United a 3-0 win away at St Mirren in the Scottish Premiership.
St Mirren captain Steven Thompson is doubtful for Saturday's Scottish Premiership clash with Dundee United.
The draw for the third round of the Scottish League Cup has served up Dundee and Lanarkshire derbies.
Dundee United snatched all three points after a late Chris Erskine goal at Tannadice gave them a 2-1 victory over Ross Country.
Ross County boss Derek Adams believes his side were robbed following their 2-1 defeat to Dundee United at Tannadice.
Stuart Armstrong will not be in the Dundee United squad for Saturday's visit of Ross County to Tannadice.
Dundee United manager Jackie McNamara admitted he was embarrassed after his side were thrashed 6-1 by Celtic.