Ghanaian football great Mohammed Polo has advised Real Madrid’s Michael Essien to play for the Black Stars at the next year's Nation’s Cup in South Africa.Polo who was a guest on Saturday’s Joy Sports Link said Michael Essien can only crown his achievements with the Africa Cup of Nation’s which he believes Ghana will win in South Africa.Essien made a last minute move to Real Madrid ahead of the 2012/13 season following his inability to command playing time in Roberto Di Matteo’s first team at Chelsea upon his injury return.