The controversial 24-year-old missed the closing weeks of the season after being suspended by City following a training ground incident involving team-mate Ousmane Dabo.
Barton claims he has too much respect for City fans to talk about joining specific clubs but has to think about his future if the club decide to sell. He told Sky Sports News: "If the club decided that they don´t want to keep me and they want to accept an offer then so be it, I´ve got to look after Joey Barton and my family as well."
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