Chelsea striker Fernando Torres is unsure over his long-term future and admits he would like to work under former team-mate Diego Simeone at Atletico Madrid.
The 30-year-old Spain international has struggled to live up to expectations since his £50million move from Liverpool in January 2011.
Chelsea manager Jose Mourinho recently admitted in a conversation recorded without his knowledge and broadcast on French television station Canal+ that "the problem is we lack a scorer", so change could be afoot this summer.
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Atleti's Diego Costa has been mentioned as one possible target, which could open up a return for Torres to his first club under the management of former Argentina midfielder Simeone.
And he told national newspapers: "In football you never know. You don't know where you are going to be tomorrow, in a week's time or in 10 years' time.
"I've had a lot of admiration for 'Cholo' (Simeone) ever since we were team-mates. He taught me a lot in the seasons we played together at Atleti.
"I always want to work with people I admire. I admired Rafa Benitez from the outside and I had the chance to work with him (at Liverpool and Chelsea).
"The same goes for Jose Mourinho or (ex-Atletico and Spain boss) Luis Aragones.
"Simeone is like Pep Guardiola or like other coaches who you'd like to go and see how they coach and learn."