Andrew Little scored the opener and Gregg Wylde and Kyle Hutton also featured in the quarter-final win.

BBC: Manager Walter Smith praises Rangers' youngsters

Brown and Rogne had made way for Ki and Loovens respectively and Rangers made an enforced change of their own when Madjid Bougherra came off to be replaced by Kyle Hutton.

BBC: Celtic 1-2 Rangers (aet)

Rangers made a surprise change in goal with regular first-choice Allan McGregor dropped to the bench and Alexander starting while there were also places in the line-up for youngster Kyle Hutton and the returning Kyle Lafferty, back after illness.

BBC: PSV Eindhoven 0-0 Rangers