Ozil will not be sanctioned for being spotted in Berlin nightclub . It came hours after missing match at Newcastle through illness . German star explained to Danny Welbeck that he was attending friend 's birthday . Arsenal play Liverpool at the Emirates on Saturday lunchtime . Wenger could return after knee injury suffered on England duty . Gunners trail Premier League leaders Chelsea by seven points .
Ozil will not be sanctioned for being spotted in Berlin nightclub . It came hours after missing match at Newcastle through illness . German star explained to Wenger that he was attending friend 's birthday . Arsenal play Liverpool at the Emirates on Saturday lunchtime . Danny Welbeck could return after knee injury suffered on England duty . Gunners trail Premier League leaders Chelsea by seven points .