Probably a couple of these things will happen, but not all of them.Clyne will improve that, Moreno should be better you would hope, Flanagan might be back at some point and if Sakho can stay fit he and Skrtel aren't that bad as a pairing.
Lovren (in his words), reckons with a good pre-season behind him will be better too, Ilori is a real talent now he is back from loan and that young kid Gomez looks a good one possibly for the future.
I can dream....
In CB position you are extremely weak IMO (worse than we are and we are quite awful if we don't sign a top CB), in fullback positions you'll be fine if Clyne/Moreno improve (they are still quite young).