Former Manchester United chief executive David Gill remains firmly interested in the club after leaving over 10 years ago. The former Red Devils CEO served for the club for 16 years between 1997 and 2013 – in probably the most successful spell in the club’s history. Gill saw trophies galore, legendary players go by and got to work alongside one of the greatest managers in football history – Sir Alex Ferguson. It hasn’t exactly been sunshine and rainbows since his departure. READ MORE: David Gill praises ‘phenomenal’ Cristiano Ronaldo, explains secret release clause, agrees it was too lowDavid …