Former Arsenal captain Tony Adams has urged Mikel Arteta to switch to a back four after the Gunners lost 1-0 to Manchester City on Saturday.
Arteta opted to start with his familiar three at the back with two wing backs, however the formation left his side lacking creativity in attacking areas.
After a second defeat of the league season, Adams believes now is the time to change the formation.
Manchester City's Raheem Sterling celebrates after putting his side 1-0 up against Arsenal
Speaking to Premier League Productions, the ex-Gunners captain said: 'I think it's time for a back four.