Chelsea will have to ‘give up Michael Essien for at least a month. The Ghana midfielder has to stop for an injury to the meniscus remedied in a workout during the Africa Cup of Nations in Angola.”Must stay out for 4-6 weeks,”said Carlo Ancelotti, manager of the blues. I hope”4”, adding as the coach, excluding market operations to remedy the lack of midfield. In January, Essien is not there” ‘was because it was engaged in Africa Cup of Nations. Now we lose maybe a month is not ‘good news but I think we have a good job,”says the coach.