Liverpool players have the strange feeling of coming back to a new head coach this summer. For those who have been with the Reds for a few years now, they’ll have become totally used to having Jurgen Klopp as their boss. By and large, the Liverpool squad will have already known where they stand with Klopp heading into another pre-season. For new players this was different, obviously, as it was for the academy graduates coming through. But for the rest, they knew exactly what their role in the squad would be before a ball had even been kicked. With Arne Slot coming in, that has now been turned …