Adam Johnson completes 6m move from Middlesbrough to Manchester City

Manchester City have completed the last-minute transfer of winger Adam Johnson from Middlesbrough. The former England Under 21 winger, who had been the subject of a previous bid from City, passed a medical on Monday afternoon and has signed a contract until June 2014. Red star: Middlesbrough look set to lose 22-year-old winger Adam Johnson No fee has been announced but it is thought that Middlesbrough willinitially receive about £6million, with potential add-ons linked toappearances and achievements. "We are delighted that Adam has chosen to come here," City manager Roberto Mancini told the club's website. "He is a very good player with fantastic potential, and as a club we are always keen to sign British talent."  TRANSFER DEADLINE DAY LIVE: Adam Johnson poised for switch to Manchester City, West Ham complete signing of Benni McCarthy and Portsmouth reject Stoke's £3m bid for Asmir Begovic - all the deals and drama as they happenEXCLUSIVE: West Ham in late bid to sign Nedum Onuoha on loan from Manchester CityCity ponder last-ditch bid for Gago as work permit fears scupper Mariga moveMANCHESTER CITY FC