With a host of first-team players already suffering with injury issues ahead of the potential Scottish Premiership title-decider with Old Firm rivals Celtic on April 7, Rangers really could have done without picking up yet another fitness blow during the international break. Philippe Clement is already without two of his greatest goal threats in Abdallah Sima and Danilo. Oscar Cortes, so impressive since his January arrival from Lens, is also stuck on the treatment table. Ditto the luckless Kieran Dowell, and a man in Ryan Jack who’s vast experience could have come in very handy in the midst o…