Diego Costa has been linked with a return to Atletico Madrid
Costa joined Chelsea from Atletico in 2014 for a reported £32million fee and immediately hit the ground running, scoring 20 goals in his first season.
However, the 27-year-old has struggled to follow it up this term and has endured a mixed season with the Blues, with the sacking of Jose Mourinho coupled with missing out on the Champions League.
"I went to see Simeone in Argentina when he was at River Plate, that is the way it is with Costa.
The relationship has always been fantastic
Enrique Cerezo
"Whether he can come back or not is another thing but the relationship has always been fantastic.
"He is okay because he is at a good club but I don't know whether they will be in the Champions League this year."
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