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Celtic and Aberdeen remain unbeaten and locked on points at the top of the table.

However, the Dons will be smarting from last weekend's crushing defeat to Celtic in the League Cup semi-finals, while the champions were further buoyed by Champions League success at home to RB Leipzig.

The Edinburgh clubs remain at the bottom, with Hearts one point ahead of Hibs, who have only managed one victory from their 11 outings.

Midfielder Kristijan Trapanovski drops out for Dundee United after tweaking his hamstring in the draw away to Hibernian.

Louis Moult, Ross Docherty and Ross Graham are battling to return but Craig Sibbald is definitely out.

Ross County remain without Will Nightingale, George Harmon and Max Sheaf.

Hibernian striker Mykola Kuharevich is suspended while Lewis Miller is doubtful with an ankle injury but Dwight Gayle and Chris Cadden are set to return.

Kieron Bowie is still absent with a long-term hamstring issue.

St Mirren defender Charles Dunne has been ruled out for eight weeks with a hamstring tendon injury, with a similar problem keeping Alex Iacovitti on the sidelines.

Midfielder Caolan Boyd-Munce is a doubt, Jaden Brown is still unavailable and Kevin van Veen's loan was cancelled this week.

The suspended Liam Gordon will miss out against former club St Johnstone while Harry Paton and Johnny Koutroumbis might be on the bench but are short of match fitness.

Motherwell remain without Stephen Oâ€TMDonnell, Paul McGinn, Callum Slattery, Sam Nicholson, Ross Callachan and Jack Vale.

St Johnstone goalkeeper Ross Sinclair misses out but his injury is not serious.

Lewis Neilson and Andre Raymond return while Croatian centre-half Bozo Mikulic could make his debut.

Uche Ikpeazu is back in training following knee surgery while Cammy MacPherson and Sam McClelland remain out.

Aberdeen striker Kevin Nisbet returns from injury while Dante Polvara will be back in the squad after the international break. Pape Habib Gueye remains out.

Dundee will be without Julien Vetro after he fainted in the dressing room ahead of last weekend's win over Kilmarnock. Although there have been no further problems, Dundee are waiting for test results.

Trevor Carson and Scott Fraser will be back in training after the international break, while Joe Shaughnessy is working his way back from a long-term knee injury.