Rangers are reportedly on the verge of another signing with Lens winger Oscar Cortes now believed to be heading for Ibrox. Rangers landed a second January signing on Friday with Mohamed Diomande coming in from Nordsjaelland in a deal worth around £4.3million. Having already signed Fabio Silva earlier this month, Rangers now look set to accelerate in the coming days. Brazilian left back Jefte has become a key target whilst Hearts striker Lawrence Shankland continues to be mentioned. A surprise target may now be emerging though with Lens winger Oscar Cortes allegedly on the verge of signing for …