Alex Song's groin injury has given Arsene Wenger fresh defensive worries for tomorrow's Champions League second leg in Barcelona.
The Arsenal boss is also concerned about the ability of Sol Campbell, Song's obvious replacement, to play twice in four days.
But Swedish striker Zlatan Ibrahimovic, scorer of both Barca goals in the first-leg, is out with a calf injury.
Arsenal 1 Wolves 0: Disgrace! Red carded Karl Henry slams Thomas Vermaelen and Tomas Rosicky Ryan Shawcross didn't mean to break my leg, insists Arsenal's Aaron RamseyArsenal need a miracle! Barca's Alves dismisses Wenger's walking woundedARSENAL FC