By Sean Walsh Manchester City have confirmed Rodri picked up a knee ligament injury in Sunday’s 2-2 draw at home to Arsenal, but did not say whether his ACL was torn or when he will be able to return. Rodri went down early on in this weekend’s heated stalemate at the Etihad Stadium clutching his knee and writhing in agony. He was at least able to walk off the pitch slightly aided but signs suggested the problem was serious. Reports this week have claimed he will miss the rest of the season with an ACL tear. However, Pep Guardiola confirmed on Tuesday that there was hope he could be back sooner…