Sir Jim Ratcliffe has perhaps proven that one aspect of Manchester United under the Glazer family has simply not worked. As the Premier League continues to go through the paperwork before officially ratifying Sir Jim Ratcliffe and Ineos’ takeover of the club, it seems they are already getting their hands dirty. Omar Berrada, former CFO of Manchester City, is the first appointment under the new regime and it is this decision that really should put the Glazers to shame. This appointment could well be the biggest structural decision made at Old Trafford since Sir Alex Ferguson and David Gill left…