Liverpool have a lot of big decisions to make in the summer transfer window, with Arne Slot needing to build an exciting squad as soon as possible. Fortunately, the incoming manager already has the basis of a top side, one that finished third in the Premier League last season. That finish has secured Champions League football for the upcoming campaign, which in turn means Slot will need to add one or two new faces in order to successfully compete in all competitions. As is often the case with new managers, the Dutchman could turn to his former club Feyenoord for star players. He could also loo…