The midfielder suffered severe bruising to his right knee and leg duringSaturday's 1-1 draw with Birmingham and is running out of time to provehis fitness before the Champions League quarter-final first leg.
Concern: Fabregas injured his right knee at Birmingham
Wenger confirmed: 'He did not train this morning and at moment he isnot fit to play. We will give him 24 hours more, but I don't know if hewill be available.
'If the game were today, he would not play. If he is not capable to play, I would not take a gamble and put him on the bench.'
In the running: Vela, Vermaelen, Rosicky, Eboue and Denilson train, but Arsenal skipper Fabregas is nowhere to be seen
Fabregas is desperate to play against the team with whom he spent sixyears before joining the north London club
Although the Spain international might not be available, centre back William Gallashas returned to training after missing eight games with a calf problemand will be in the squad.
Wenger has been short on defensive options, with Kieran Gibbs andJohann Djourou also out. The absences have led to Sol Campbell becominga regular since his surprise return to the club in the winter.
Comeback trail: Gallas (front) hasn't played since February
Thomas Vermaelen should partner Campbell in the centre of defence against Barcelona after the Belgian served a one-match ban.
Abou Diaby also picked up a slight knock in the Birminghammatch. Samir Nasri and Andrey Arshavin, are struggling withgroin and knee problems respectively, but both were able to train at London Colney.
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