Arsenal's Arteta Gathers Evidence of Managers Leaving Technical Areas

• Arsenal manager Mikel Arteta is compiling footage of rival managers leaving their technical areas.
• Arteta received his second yellow card of the season during Arsenal's 2-0 win over Everton.
• He aims to document instances where other managers have left their designated areas.
• This action follows a trend of managers being cautioned for leaving their technical areas.
• Arteta's collection includes a 'massive storage of images'.