Kenny Miller says Rangers paid a heavy price after failing to do their homework on Celtic’s rampant rookies.
Ibrox boss Giovanni van Bronckhorst suffered his first defeat since replacing Steven Gerrard as the swarming Hoops ran in three goals during a first-half bltiz.
While Gers had just Amad Diallo and Calvin Bassey making their derby debuts, Ange Postecoglou’s team saw five players lining up for Old Firm action for the first time.