Aberdeen could lose another two more players for their match against Rangers as their injury list grows.
Connor McLennan is a major doubt with a dead leg, while striker James Wilson is out with a knee injury.
Derek McInnes is already without key players Scott McKenna, Ash Taylor, Stephen Gleeson, Scott Wright, Funso Ojo and Craig Bryson.
Aberdeen will be looking to bounce back from their Betfred Cup defeat to Hearts after they were knocked out on penalties.
But the Dons are sitting third in the league, four points behind the Light Blues, and will be hoping to bridge that gap at Ibrox on Saturday.
Possible line-up:
Provisional Aberdeen squad:
Lewis
Cerny
Logan
Leigh
Vyner
Considine
Devlin
Gallagher
McGinn
Hedges
Ferguson
Anderson
Campbell
McLennan,
E Ross
Cosgrove
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