Pep Guardiola fears Benjamin Mendy's knee injury looks more serious than expected and hinted Manchester City may consider signing a new left-back in the January transfer window. The French defender, who was at the Etihad Stadium for the 2-0 win over Shakhtar Donetsk, will fly to Barcelona later this week for more tests on his knee. read more http://www.espnfc.us/manchester-cit...ndy-out-longer-than-we-expected-pep-guardiola