Johan Djourou and Gael Clichy will both miss Arsenal's clash with Villareal in the Champions league second leg.

Arsenal boss Arsene Wenger told Sky Sports News: "Both of them are unfortunately out.

"Djourou's was a knee problem, he'll have a scan today. I fear it's his cartilage but we will see.

"Clichy has a back problem".

On Abou Diaby, Wenger confirmed: "He's in the squad."