The Spain international was left sideline for Chelsea's matches against Crystal Palace,Maribor,Shrewsbury and Manchester Utd. That's four matches in three different competitions. But he came as in the starting eleven for Chelsea in their clash versus newly promoted club QPR. The striker did not score a goal and was substituted for André Schürrle at the 78th minute. Even though Chelsea got the victory 2-1 with goals from Oscar (32nd minute) and Eden Hazard (penalty 75th minute). Chelsea is in desperate need of the striker due to Didier Drogba being already 36 and Loïc Rémy currently having an injury.

The stiker not only recovered from a hamstring injury but also from a viral infection

Diego Costa's has been confirmed unavailable for Chelsea's Champion's league clash against Maribor but Chelsea manager Jose Mourinho doubts that the spanish nationalised player will be fit for the Premier league giants clash between Chelsea and Manchester United. Mourinho on if Costa fit v #MUFC "Little, very little. Very little. I say Maribor, no chance. Man Utd, very little. But, very little." #CFC october 20,2014