The Times published an article today which worked out how effective players had been this year.
They used a formula which awarded points for goals, assists, chances creates, minutes played, interceptions, saves and duels.
Points were docked for missing big chances, fouling other players and picking up yellow cards.
So which summer signings have failed to perform during the campaign so far?
Many of the players on this list cost their clubs big money but have barely spent any time on the pitch.
Click through the gallery above to see the list.