Liverpool have been linked with a number of goalkeepers lately with Stoke City's Jack Butland and Atletico Madrid's Jan Oblak as their top priorities but Cottee insists a central defender will complete the incomplete backline as Van Dijk needs a partner before it gets too late.
Mainly they will want to discuss how to restore the country's fortunes on the worldwide stage, starting with Friday's match against England in Amsterdam.
However, on an worldwide level, it seems Koeman is eager to continue working with Van Dijk and has even welcomed the possibility of making him the captain of Netherlands' senior side. That's hard. But I'm completely over the ankle problems (which kept him out for long periods in the last year), definitely.More news: Selena Gomez dons bikini in Sydney during post-kidney transplant holiday
"It's more than that, it's also just condition-wise and the way Liverpool play you need to be spot on".
Netherlands manager Ronald Koeman has hinted the defender could be a future captain for his country, but Van Dijk focused only on the upcoming friendlies against England and Portugal.
We play England as well, so it's going to be good. We can prepare for that when the time comes'.
Liverpool travel to struggling Crystal Palace after the worldwide break before hosting Manchester City in the first-leg of the quarter-finals of the Champions League.More news: Rabada appeal hearing set for March 19
The will-he-won't-he transfer saga of the summer meant that Southampton were in no rush to get van Dijk back into their side; numerous Saints fans had lost trust in him after it became clear he wanted to move to Liverpool.
"You don't think about that when you're heading off with the global team".
"Man City are a very good team, very hard to play against and we need to be 100 per cent or even better to beat them over two games".More news: France's Deschamps keen to hear Pogba on United troubles