Southampton coach Ronald Koeman has confirmed an interest in Aston Villa defender Ron Vlaar. Koeman is expecting to lose Dejan Lovren to Liverpool this week for £20m while Southampton have rejected Cardiff's £3m bid for Jose Fonte. Koeman also has an interest in Celtic defender Virgil van Dijk. Targeted: Southampton want Aston Villa defender Ron Vlaar . On the move: Koeman is hoping Vlaar can replace Croatian defender Lovren, who has joined Liverpool . He said: 'Ron would definitely be an option. But I think he won’t be cheap right now. Let’s just wait and see.' Vlaar was one of the defensive stars of the World Cup, making it all the way to the semi-finals with Louis van Gaal's Holland. And he was exceptional for 120 minutes against Argentina, before unfortunately missing a penalty in the shootout.
Ron Vlaar targeted by new Southampton boss Ronald Koeman . Dutchman is searching for a replacement for Dejan Lovren who is expected to move to Liverpool this week .