New manager’s No 1 priority must be to persuade World Cup-winning captain to stay as Real Madrid circle “Welcome home,” was Khaldoon al-Mubarak’s warm greeting to Enzo Maresca on his appointment last month as Manchester City manager. Now, after two previous spells at the club, the Italian’s task is to keep the chair content, and ensure a three-year contract does not end early. To achieve that, Maresca’s tenure must continue Pep Guardiola’s glittering legacy of 20 trophies across a decade of exc…