Players who left Chelsea on a permanent basis over the summer have enjoyed mixed fortunes at their new clubs this season. However, one player who has certainly gone on to be a success is Conor Gallagher, who made the move over the summer to Atletico Madrid. It will not be a surprise to many Chelsea fans just how well he has started over in Spain. Most of them were not happy with the treatment he was given over the summer as he was forced out. READ MORE: What Conor Gallagher just did for Atletico Madrid that Spanish media think was ‘inexplicable’Conor Gallagher named Atletico Madrid’s Player of…