Rangers have finally secured the signing of Oscar Cortes with the Colombian becoming the third arrival of the transfer window. Gers boss Philippe Clement will now have time to assess the 20-year old as part of his squad and decide whether or not he has a future at Ibrox. An option to buy puts Rangers in a good position and bringing Oscar Cortes to the club points to another indication that recruitment will be in safe hands under Nils Koppen. Rangers signing of Oscar Cortes points to exciting futureThe hope was, after joining from PSV Eindhoven, that the new Gers director of recruitment would b…