Aberdeen beat Ross County 3-1 to move back into second place in the Premiership, profiting from Hearts' 2-2 draw at Motherwell.
Motherwell and Hearts supporters will come together when their teams play on Saturday to celebrate fan ownership.
Hearts failed to close the gap on Scottish Premiership leaders Celtic after drawing 1-1 with Dundee, as Dundee United lost again.
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.
Aberdeen were held by Motherwell in the Scottish Premiership on Saturday, while Hearts, Kilmarnock and St Johnstone all won.
Inverness CT and Celtic await news of the extent of Ryan Christie's knee injury.
Celtic moved two points clear at the top of the Scottish Premiership after a nervy 1-0 victory at Motherwell.
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