There are plenty of decisions for Arne Slot to make about what he sees as his best Liverpool XI. For now, all eyes are focused on the transfer market and Liverpool’s slightly odd lack of activity in it. But when you take a step back, you can understand why things have been so quiet at Anfield so far. Slot does have a big first-team squad to work with. The new head coach will currently be devising exactly where he sees each player fitting into his system. Not all of them will. Others will stay the same while more will perhaps be asked to perform new roles. The player with perhaps the most intri…