There is one Liverpool player who Arne Slot will have to convince to keep at the club this summer. Liverpool’s new manager will not have an easy job. The task of replacing Jurgen Klopp will be a gargantuan one for Arne Slot, who looks likely to succeed him. But it’s not just about replacing Klopp. It’s also about keeping the squad together and continuing the cohesion that has been there for the last nine years. This will undoubtedly be Slot’s biggest challenge in his career. Even if he has delivered a lot of success in the Netherlands, nothing can prepare him for what he is about to face. What…