Rangers two points in Lisbon tonight. Steven Gerrard's side looked comfortable as they entered the final 15 minutes with a two-goal advantage against the 10 men of Benfica, but two late strikes from the hosts meant they had to settle for a point.
The result means Rangers remain second in the group on goal difference behind Benfica after missing the chance to leapfrog Jorge Jesus' side in Group D of the Europa League.
The Eagles went ahead thanks to a Connor Goldson own goal in the opening minute, and McCoist was unimpressed with Filip Helander's role.
Speaking on BT Sport, he said: "Helander, who had a pretty poor night all round, gives away the ball for the first goal here.
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