The Spanish forward is likely to miss the clash with Granada this weekend as a result.
It is another blow for the Barcelona man, who has struggled for playing time since recovering from a broken leg.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Summer 2016 is set to be a very exciting time for football fans, as this is when the long awaited Euro 2016 tournament kicks off.
Since Guus Hiddink arrived at the helm, Chelsea have improved considerably after a tricky start to the campaign.