MANCHESTER CITY are the most valuable club in the Premier League according to a new study by the University of Liverpool Management School’s Centre for Sports Business. City’s valuation of  £ 2.4 billion is around £ 300 million higher then neighbours Manchester United (£ 2.1 billion). The paper, led by leading football finance expert Kieran Maguire, underlines how the so-called big six clubs are way ahead of the rest of the pack. The overall value of the division, £ 14.7 billion, is heavily dependent on the six, who contribute £ 10.9 billion to the total. Further investigation reveals that the leading half dozen clubs – Manchester City, Manchester United, Tottenham, Liverpool, Chelsea and Arsenal –  account for 57% of total revenues but also pay…