City faces Man Utd battle for new left back

Manchester City are lining up a transfer fee for Manchester United target, Espanyol left-back Aaron Martin, as per ESPN .

Martin was spotted by City against Real Betis a week ago and Guardiola is presently considering a January approach following the long haul damage endured by Benjamin Mendy.

City could confront rivalry for Martin from nearby opponents United, who have also been following the 22-year-old as of late.