Thomas Tuchel admits Chelsea are not yet ready to become champions of England - despite ruling Europe and the world.
The Blues last week added the Club World Cup to their Champions League triumph of last season.
But Chelsea boss Tuchel has warned his side - who have also reached this season's Carabao Cup final and the last-16 stage of the FA Cup and Champions League - must improve their consistency if they want to be more than just cup specialists.
The German's team return to Premier League action at Crystal Palace on Saturday sitting third in the table, 16 points behind leaders Manchester City, having won only one of their last five top-flight games.