IMAGE: Chelsea's Diego Costa receives medical treatment prior to leaving the pitch due to injury during the Capital One League Cup fourth round match against Stoke City at the Britannia Stadium in Stoke on Trent on Tuesday. Photograph: Ross Kinnaird/Getty Images
Jose Mourinho has confirmed Diego Costa was taken to hospital with a rib injury suffered during Chelsea's Capital One League Cup match at Stoke City on Tuesday.
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Costa was injured after a challenge by Stoke midfielder Charlie Adam and was forced off the field after 32 minutes.
Asked in his post-match press conference what the situation was with Costa, Mourinho replied: "He is in the hospital - I don't know."
Holders Chelsea were knocked out of the League Cup by Stoke in penalties.
