With the transfer window set to close in two weeks, Celtic still have a bit of work to do to strengthen key areas of the team. The additions of Adam Idah, Paulo Bernardo, Kasper Schmeichel and Viljami Sinisalo have all been welcomed by the Celtic support, however, it is widely accepted that Celtic still require another striker, a left-back and possibly a midfielder should Matt O’Riley decide to leave the club. One midfielder who has been linked to a move to Celtic is Dundee midfielder, Luke McCowan. The Dens Park club are said to be waiting for a bid from Celtic for the 26-year-old and former …