Ruben Amorim exuded assurance and self-belief as soon as he entered the room for his first press conference as Manchester United's new boss. A flash of that megawatt smile, a courteous “Hi guys” and then it was straight down to business – outlining his vision of how he can resurrect the fallen giants of English football. There were no bold declarations about winning the title, just a calm and considered explanation of what he must do if he is to turn United into a major force, at home and