Ryan Jack returns from injury for Rangers
Rangers have midfielder Ryan Jack back in their squad from injury for the Europa League clash with Porto.
Andy King will miss out with a minor muscle injury but could return for the weekend clash with Motherwell.
The only other absentee is winger Jordan Jones, who is two weeks away from a comeback from a knee injury.
Provisional squad: McGregor, Flanagan, Tavernier, Helander, Halliday,
Barisic, Edmundson, Goldson, Katic, Davis, Jack, Aribo, Kamara, Barker, Arfield, Kent, Ojo, Defoe, Morelos, Stewart, Foderingham.