Giovanni van Bronckhorst revealed Rangers fine-tuned no fewer than three Europa League masterplans before they dumped out Dortmund.
The Ibrox boss savoured a huge aggregate victory over the Bundesliga giants that books a place in the competition's last 16 for a third consecutive season.
Captain James Tavernier struck twice to secure a thrilling 2-2 draw on the night and usher Rangers through with a 6-4 advantage over the two legs.
