Giovanni van Bronckhorst hailed the spirit of his Rangers side for showing great resolve to secure a second extra-time win in the space of four days.
And the Dutchman thanked his super subs for making an impact as they came from behind to beat Celtic and book their place in the Scottish Cup final against Hearts on May 21.
Greg Taylor fired Ange Postecoglou’s men in front but Scott Arfield sent the game into extra time before Fashion Sakala forced Carl Starfelt to turn the ball past his own keeper.