Chelsea boss, Jose Mourinho has described the club’s decision to sell it’s keeper to another rival club as a rare move in football. 
Speaking for the first time since The Blues legend made a £10m switch to the Emirates, the Portuguese extolled the virtues of the Czech Republic international adding that he was in support of the owner’s decision to honour the player in this way. Petr has been a great servant for Chelsea for 11 years and helped this club to win almost everything there is to win. I always said I wanted him to stay but I understand Petr needed to move on to play first team football every week. 

Sometimes you have to respect the wishes of someone who has earned so much respect with his service and actions for your club.

‘It is very rare in football to make a decision like this and for that reason I am proud of my club for making it.‎ There are not many clubs in the world big enough to be able to make that decision. Petr’s success at this club will always to be remembered and we thank him for everything he did.’Mourinho said on