Liverpool have been unusually quiet during the first week of the transfer window. The Reds often like to get their business done early into the summer. But now getting towards the end of June, they’ve so far kept their powder dry. This time last year, for example, they’d already added Alexis Mac Allister to their first-team squad. What a signing that turned out to be. But this time, with Arne Slot still to fully start work at the AXA Training Centre, there has been no such new addition. That doesn’t mean that Liverpool aren’t working hard behind the scenes, though. The Reds have been linked wi…