Gio van Bronckhorst will run the rule over his Rangers squad when they fly out to the Algarve to kick-off their pre-season preparations later this month.
And former Ibrox favourite Alex Rae believes the friendly clash with Sunderland planned as the curtain-closer on the sunshine break is the perfect chance for Ross Stewart to prove he measures up as a potential new recruit.
Gers have been heavily linked with the 25-year-old Scotland squad member after an incredible Black Cats campaign.
