With Jurgen Klopp’s final transfer window as Liverpool manager now behind him, eyes will begin to turn to to the first one without him. Obviously, there’s plenty to do for Klopp between now and then. Four trophies are still on the line this season. But there’s no running away from the fact that it’s due to be a big summer for Liverpool. As well as hunting for a new manager, the Reds seem set for a battle to keep some of their top players. And speaking on beIN SPORTS yesterday, Richard Keys suggested that the Liverpool job won’t be as attractive come the summer. Using Tottenham Hotspur boss Ang…