Didier Drogba will now take the Brazilian's old no.11 shirt.
Nathan Ake was revealed to be wearing the number six shirt this season, giving him hope for a key first-team role.
Chelsea youngster Nathan Ake impressed during the club's win over Real Sociedad.
On the 9th August 2013 what were the stories that dominated the football landscape? Including Tottenham Hotspur and Chelsea.
Chelsea have rejected loan offers for Nathan Ake from Derby County and Middlesbrough.
Chelsea boss Jose Mourinho has hit out at Werder Bremen's approach to Nathan Ake.
Derby County are reportedly keen on bringing highly-rated Chelsea youngster Nathan Ake to the iPRO Stadium.
Derby-linked Nathan Ake has been working hard in pre-season for Chelsea.
Marco van Ginkel, Andreas Christensen, Nathan Ake and Patrick Bamford seemed to be enjoying their boat trip with their elders.
Nathan Ake believes facing up against team-mates Diego Costa and Fernando Torres are helping him develop