Midfielder Ryan Jack is expected to be out for about two weeks after suffering a calf injury.
Ross County skipper Marcus Fraser is a doubt.
The defender went off injured early in the second half of County's weekend defeat by Celtic.
Rangers provisional squad: McGregor, Patterson, Polster, Flanagan, Halliday, Barisic, Edmundson, Goldson, Katic, Davis, Aribo, Kamara, Arfield, Barker, Jones, Kent, Ojo, Defoe, Morelos, Foderingham.
Ross County provisional squad: Baxter, Foster, Fraser, Fontaine, Kelly, Donaldson, Morris, Watson, Cowie, Spittal, Paton, Chalmers, Mullin, Tillson, Reid, McKay, Erwin, Vigurs, Gardyne, Shaw, Laidlaw.