Stack was the busier of the two keepers as the visitors peppered his goal with long-range shots, but none presented serious dangerous for theformerArsenalplayer.
Birmingham manager Alex McLeish handed Hleb his first start since 27 November following a hamstring injury and theformerArsenal and Barcelona player served notice of his talent for unlocking defences within the first two minutes.
Anelka's Chelsea team-mate John Terry, who is playing for England in South Africa, said he disagreed with the decision to send theformerArsenal and Real Madrid player home.