Writing for the Liverpool Echo, Molby opined: "With Virgil van Dijk, everybody now knows Southampton would rather sell to Chelsea, Arsenal or Manchester City than Liverpool, so I'm not convinced that will happen.
"I still think we'll sign a few decent players before the transfer window shuts, but I'd like to see van Dijk, though. I really would.
"He looks Champions League level. They talk are very big on personalities in Holland, especially in their central defenders.
"Just look at Ronald Koeman's management career, and he's had huge success with centre-backs because he's big on personality.