The German has figured just twice this season and faces more time on sidelines unless his attitude changes, according to the former centre-back
Former Arsenal defender Martin Keown has warned Mesut Ozil that only hard graft will get him back in Unai Emery's first-team plans.
Ozil has again been a peripheral figure at the Emirates Stadium this season with just two appearances made in total - one in the Premier League and another in the Carabao Cup.
The 30-year-old has not been called up by Unai Emery for any of Arsenal's last three matches, missing from the squads for clashes against Manchester United, Standard Liege and Bournemouth.