Rangers fans are nervously awaiting the next update to the club’s transfer business. So far Rangers have only added Brazilian left-back Jefte and French defender Clinton Nsiala to the club’s squad from last season. With Oscar Cortes also securing his Ibrox future alongside Mohamed Diomande, there is still much work to be done this summer. Reports this week have claimed that Rangers are turning their homegrown attentions to Connor Barron and Liam Kelly as an imminent double swoop takes the list of summer acquisitions to six. And now one leading Scottish football journalist is claiming that the …