At this stage, one particular Rangers rumour cannot even be described as a poorly-kept secret. That, after all, would imply that it is a secret to begin with. Instead, it’s a transfer being played out rather publicly. Interest confirmed by a club hoping to agree a deal, and well-sourced reporters queuing up to provide their own two pence. As things stand, it seems only a matter of time before Sam Lammers completes a permanent departure from a Rangers side who plucked him out of Atalanta obscurity 12 months ago with an ill-fated belief that they could put the swagger back in the Dutchman’s step…