Command performance
tie looked as likely as anyone to drag them back into the contest and managed a rare shot on target which was comfortably held by Wes Foderingham.
But any hopes they had of mounting a recovery were ended when Rangers made it 3-0 with 20 minutes remaining.
Tavernier benefited from some sloppy officiating, the assistant referee failing to spot he was offside as he got ahead of the Aberdeen defence to turn in a Windass cross from close range.
On a night which saw eight yellow cards produced, Christie collected his second with six minutes remaining to complete Aberdeen’s misery.