The Mirror says the Premier League rivals are keen on £8million Song.
Despite joining for £16m, Song could go for as little as half that amount as his club look to cut their losses.
Speaking in March, Song revealed England was always likely to be his destination should he leave Spain this summer.
He said: “If I leave Barcelona it will be to return to the Premier League.
“I will return to England one day, that’s for sure.”
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