By Matt Hardy Manchester United have insisted that poaching former Manchester City chief Omar Berrada can help the Red Devils “re-establish” themselves as “a title-winning club”. Berrada was serving as chief football operations officer for City Football Group – the parent management firm of City who run various clubs around the world – before resigning to make the move across Manchester and represents the first major acquisition of personnel for United since the Glazer family sold 25 per cent, and the rights to the day-to-day running, of the club to Ineos founder and British billionaire Sir Ji…