The boss agreed to let the winger make just one sub appearance for the national team.
The Royal Moroccan Football Federation has announced that Hakim Ziyech has left the national team camp to join Chelsea.
The winger played 32 minutes in a 3-1 win over Senegal in a friendly as Frank Lampard only allowed him to make one sub appearance for Morocco .
The 27-year-old will continue regaining fitness at Cobham.
The Blues are expected to monitor Ziyech day to day in order to make sure he will be fully fit to face Southampton in the Premier League next Saturday on October 17.
