Other notable cases include Nigerian forward Ayegbeni Yakubu , who failed to return to club duty at Premier League side Everton after the African Cup of Nations last year . Egyptian striker Amir Zaki was AWOL after failing to return to Wigan . Wigan manager Steve Bruce described Zaki as `` unprofessional '' Adriano went AWOL for two weeks and later said he was taking a break from football . The Football Association has launched an investigation into the circumstances surrounding Romelu Lukaku's departure from Everton in January 2014.
Egyptian striker Amir Zaki was AWOL after failing to return to Wigan . Wigan manager Steve Bruce described Zaki as `` unprofessional '' Adriano went AWOL for two weeks and later said he was taking a break from football . The Football Association has launched an investigation into the circumstances surrounding Romelu Lukaku's departure from Everton in January 2014.