But five-time winners Brazil, along with Portugal and the Netherlands, will for the first time be clad in shirts made from recycled polyester in a bid to make the tournament a fraction greener.

All of the nine teams, who also include Portugal, Netherlands and the United States, will wear the shirts.

Deco sported the number on his back at both Barcelona and for the Portuguese national team and his friend and compatriot, Ferreira, will change his Chelsea number to 19 following the summer signing.