Manchester United have been boosted by Carlo Ancelotti in their pursuit of Kalidou Koulibaly.
The Napoli boss says he will not keep any player at the club against their wishes.
He said: “We don’t need to sell our best players. We can sign new players following our ideas.
“However, I am not going to block who wants to leave, I’ve never done it in my career.”
Ole Gunnar Solskjaer will look to strengthen his squad this summer with a centre-back high on his agenda.
