The Gunners will take on Spanish giant in the UEFA Champions League next week but will have to do that without the help of 5 key players who are currently out injured.
Despite having 5 players out injured the Gunners were still able to put on an impressive performance over the weekend to defeat league leaders Leicester City 2-1 goals coming in from Theo Walcott in the 71st minute and Welbeck got the winning goal in the 90th minute giving all Arsenal fans the best Valentine gift ever.
Here is a complete list of Arsenal injured players and also there return dates although some stars are not expected back in action anytime soon.
laurent Koscielny Hip/Thigh Injury no return date
Gabriel Paulista Hamstring Injury no return date
Tomas Rosicky Thigh Muscle Strain no return date
Santiago Cazorla Knee Injury 26th Mar 16
Jack Wilshere Calf/Shin Injury 19th Mar 16