The Daily Mirror reports that Southampton are eyeing Espanyol defender Hector Moreno.
The Saints see Moreno as a possible back-up option in case they lose Toby Alderweireld this summer.
Atletico Madrid defender Alderweireld impressed on loan at St Mary's last season and is now a reported target for Tottenham.
Mexico international centre-back Moreno, 27, is understood to be available for around £8million.