Southampton are the latest Premier League side to enter the race to sign Cardiff City defender Steven Caulker reports West London Sport.
Southampton are believed to have made an approach for the impressive adding competition for the defenders signature.
Southampton boss Ronald Koeman is on the lookout for a new defender as it is looking more likely that Dejan Lovren will be sold by the Saints with Liverpool chasing his signature.
Caulker has already had his release clause met by QPR and Crystal Palace and is currently mulling over offers from both clubs at present.
It was reported this morning that Caulker has been left behind by Cardiff City as they left for a pre season tour to Austria.