By Sean Walsh Liverpool are entering a new era, with Arne Slot now the head coach of the men’s first team. Jurgen Klopp’s era is a thing of the past and change is afoot at Anfield, though not every player will get a chance to help write this new chapter. The Reds’ squad planning means they actually only have a handful of sellable assets remaining in their squad, and most of those in need of shifting should probably leave for their own good anyways. Here are five players who Liverpool should sell during the summer transfer window. Caoimhin KelleherCome on, Caoimhin. You can’t be Liverpool’s bac…