Glasgow's only points came from two Dan Park's penalties and a breakaway try by replacement stand-off, Colin Gregor.
Gregor was only called into the Glasgow ranks due to the injury to Calvin Howarth. The Watsonian played in the Glasgow XV that defeated Scotland U21s last Monday
The Glasgow set-piece was under pressure throughout and wasn't helped by the sin-binning of Andy Hall.
Hugh Campbell, Glasgow's head coach, was blunt in criticism of his team: “Not any part of our game was up to standard.”