The next step in Jurgen Klopp’s 2.0 Liverpool is to sign a centre-back. There are no two ways about it, Klopp needs to fortify his options in that department by bringing in a younger option for the future. Even with the emergence of Jarell Quansah, there is still room for an addition of that ilk, and while Liverpool are unlikely to make an acquisition in January, there is always a possibility that something might come up. As always Liverpool will be reactive in the winter market, and if a long-term target, who they admire, becomes available, then they will pounce. Just like the club has done i…