The Blues picked it up when Guus Hiddink returned as interim boss.
However, Chelsea ended up being the worst defending Premier League champions in history.
Stars such as Eden Hazard, Cesc Fabregas and Diego Costa failed to deliver and major signings such as Radamel Falcao and Alexandre Pato didn’t contribute at all.
New boss Antonio Conte will have his hands full based on last season’s ratings.
Check out our gallery above and find out which stars flopped the most.