Rangers forward line has been misfiring for much of the season with only two players consistently providing Philippe Clement with any sort of reliability. The manager looked to have solved one problem by signing Oscar Cortes before an untimely injury cut short his impact after becoming one of three January signings to arrive at Ibrox. A report from Talksport’s chief football correspondent Alex Crooks has revealed that plans are already underway for Rangers to strengthen the attack when the transfer window opens. READ MORE: Rangers most expensive signings of all-time including £12m arrival and …