However there are always a couple of players who could do more for the team – be it in terms of tracking back, staying fit or just their general attitude and luckily we have identified them!
It has to be said that certain players have not really been handed a chance to impress by manager Jose Mourinho, who has his first eleven set in stone – but we have had a go at coming up with five Chelsea players who have flopped this term.
Click on Mohamed Salah to see which players we think have let the club down in the first half of the season.
Chelsea fans. Who has disappointed you the most this season? Has there been anyone else you would have included in this list? Let us know your thoughts below, become a guest blogger or tweet us @LaFootyettes.