Champions League winner Owen Hargreaves waxed lyrical about Rangers' epic Europa League victory over German heavyweights Borussia Dortmund.
The former Bayern Munich and Manchester United star was left open-jawed by the white-hot atmosphere created in Glasgow as Marco Rose's side were defeated 6-4 on aggregate.
Rangers deserved their 2-2 draw after Gio van Bronckhorst 's half-time tweaks as James Tavernier netted the first and last goal, in between a scare created by Jude Bellingham and Donyell Malen's strikes.