Celtic’s work in the transfer business in the summer and January has been labelled in some quarters as a failure. Whilst the jury is still out on Nicolas Kuhn and Adam Idah, it is fair to say both winter additions have a decent start to their Celtic careers. However, most of the spotlight has been on Brendan Rodgers’ summer additions. With some players from that window already farmed out on loan and others failing to make the grade, there has been a lot of criticism from the fans about the summer recruitment policy. However, there is one player who was signed in that period that can be regarde…