The Reds have already acted swiftly to complete the signing of Bologna striker Joshua Zirkzee, as well as Lille defender Leny Yoro.
Several outgoings have also been confirmed, including two to La Liga - Willy Kambwala's move to Villarreal and Donny van de Beek's switch to Girona. Alvaro Fernandez's loan to Benfica became permanent and Omari Forson linked up with Monza in Italy.
Charlie McNeill was snapped up by Sheffield Wednesday and the first loan exit involved another striker, in the shape of Joe Hugill, who joined Wigan Athletic.
Mason Greenwood has signed for Marseille, in France, while Aaron Wan-Bissaka will ply his trade at West Ham United, following his August move to the London club.