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John Michael Mullin (born 11 August 1975 in Bury, Greater Manchester) is a retired footballer who played as a midfielder for clubs including Sunderland, Burnley F.C, Rotherham United, Tranmere Rovers F.C and Accrington Stanley, and is the brother of former Accrington and Morecambe player Paul Mullin. He is now a member of the coaching staff at Manchester City u18's.