The 30-year-old has spoken of his regret at not staying longer in the Premier League.
He told Calcio 2000 magazine: "I had a wonderful experience in the Premier League and would recommend it to anyone.
"You get to work seriously and as a professional, but you are also free to live your own life.
"Perhaps the only regret of my career was leaving London. Going back, I don't know if I'd do that again..."
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