Niall McGinn is a doubt for Aberdeen as they prepare to host Rangers in the Ladbrokes Premiership.
The Northern Ireland international picked up a calf strain after netting Aberdeen's winner against St Mirren on Saturday.
Craig Bryson remains out with a knock along with long-term absentees Ethan Ross (thigh), Funso Ojo (hamstring) and Scott Wright (knee).
Rangers boss Steven Gerrard hopes to have the squad that thrashed Hearts 5-0 on Sunday available again.
The Gers medical team are nursing a couple of knocks ahead of the journey north to Pittodrie but Gerrard is optimistic the players involved will pull through.
Winger Jordan Jones has suffered a minor setback in his recovery from a knee injury after complaining of a tight thigh muscle and will have to put his return date back by a few days.
Aberdeen provisional squad: Lewis, Logan, Leigh, Vyner, Considine, McKenna, Taylor, Devlin, Gallagher, McGinn, Hedges, Cosgrove, Anderson, D Campbell, McLennan, Wilson, Gleeson, Ferguson, Main, Cerny.
Rangers provisional squad: McGregor, Flanagan, Tavernier, Helander, Halliday, Barisic, Edmundson, Goldson, Katic, Davis, Jack, Aribo, Kamara, King, Arfield, Barker, Kent, Ojo, Defoe, Morelos, Stewart, Murphy, Foderingham.
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