Chelsea are after Southampton defenderbut will have to fit off Spanish side Barcelona, according to the Daily Express. The West London have been linked with a host full-backs this summer window, including the likes of Juventus' Alex Sandro, Porto's Alex Telles and Paris Saint-Germain's Serge Aurier.Fiery manager Antonio Conte is looking to bolster the flanks of with side, and provide support for wing-backs Marcos Alonso and Victor Moses.According to Italian newspaper Corriere Dello Sport , Southampton right-back Cedric has been pinpointed as prime target for Conte.But the report adds that La Liga giants Barca, who have the £200million from their former player’s Neymar world record breaking transfer to French side Paris Saint Germain to spend, are also interested in the right-back Cedric.The Portugal international, who was in involved in the national’s European Championship, is reportedly available for transfer on £13.6m this summer.Jacque TalbotFollow: @Jac_talbot