The Moroccan squad aims to bring the title back to Rabat for the second time in history as the Atlas Lions managed to lift the trophy only in 1976 in Ethiopia.
Chelsea hit back in impressive fashion after going behind to overwhelm bottom club Sheffield United 4-1 at Stamford Bridge.
Chelsea kickstarted their Champions League group campaign by coasting to a 4-0 win at Krasnodar on Wednesday.
Chelsea have signed defender Malang Sarr on a five-year deal after his contract with Nice expired.
According to Dutch Newspaper De Telegraaf, Ajax and Chelsea reached a verbal agreement over the transfer of the Dutch-born Moroccan winger Ziyech.