St Johnstone will be without midfielder Liam Caddis, who will be out for another week with an ankle injury.
New striker Francisco Sandaza is short of match fitness and will not feature.
Rangers will be without skipper David Weir after he suffered a hamstring injury in their midweek match against
New signing Dorin Goian could make his debut after being granted a work permit, while Kyle Lafferty is still
recovering from a hernia operation.