St Johnstone captain Dave Mackay has signed a one-year contract extension which runs until the summer of 2017.
Hearts failed to close the gap on Scottish Premiership leaders Celtic after drawing 1-1 with Dundee, as Dundee United lost again.
Mixu Paatelainen remains confident Dundee United can stay up despite them sliding six points adrift.
Celtic will play Ross County at Hampden in the League Cup semi-final, while St Johnstone face Hibernian in Edinburgh.
Hibernian will face St Johnstone and Ross County will play Celtic in the Scottish League Cup semi-finals in January.
Hearts and Aberdeen close the gap at the top, while St Jonstone and Inverness Caley win, and Dundee draw with Partick.
Hearts moved above Aberdeen in to second place in the Scottish Premiership with victory over Partick at Firhill.
A review of Tuesday night's action in the Scottish League Cup as Ross County and St Johnstone progress to the semi-finals.
Aberdeen were held by Motherwell in the Scottish Premiership on Saturday, while Hearts, Kilmarnock and St Johnstone all won.
Hamilton staged a remarkable comeback as they came from a goal and a man down to draw 1-1 against Dundee at Dens Park.
St Johnstone manager Tommy Wright has signed an extension to his current contract which ties him to the club until June 2019.
St Johnstone goalkeeper Zander Clark has signed a new contract extension with the Scottish Premiership club.
David Tanner and Andy Walker run through all the weekend's games from the Scottish Premiership.
St Johnstone have vowed to keep Tommy Wright at the club after Dundee United approached Saints for permission to speak to their manager.
Aberdeen's unbeaten home record was shattered as St Johnstone ran riot in a 5-1 win at Pittodrie.
A look at this week's best goals from across the globe, starring Alexis Sanchez, Dani Parejo and Lewis McGugan.
Derek McInnes says Aberdeen have work to do after losing for the third game in a row to a rampant St Johnstone.
Sky Sports' Neil McCann offers his opinion on who the key players are in each of the six Scottish Premiership games this weekend.
Defending champions Celtic will face Hearts in the quarter-finals of the Scottish League Cup next month.
Ryan Christie allowed his parent club Celtic to move closer to Premiership leaders Aberdeen with a winner for Inverness.