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.
Celtic thrashed Dundee United 6-1 in their first home game of the new Scottish Premier League season to continue their perfect start under new manager Ronny Deila.
Charlie Mulgrew returns from suspension for Celtic's Scottish Premiership clash with Dundee United at Parkhead on Saturday.
Mario Bilate scored the only goal seven minutes from time as Dundee United made it two wins from as many games in a 1-0 victory over Motherwell.