But another Gunners defender, Johan Djourou, misses out on the finals after returning from a nine-month knee injury absence against Fulham on Sunday.

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West Brom went close through Do-Heon Kim and Ishmael Miller, who both forced Manuel Almunia into action, while Johan Djourou made a clearance off the line.

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Johan Djourou and Denilson are available to face Bolton on Saturday after injury, while Sebastien Squillaci could be involved for the first time after his move from Sevilla.

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