Southampton are set to increase an initial offer for a player on Leeds United’s shortlist to a huge £12m, with interest from Russell Martin’s side said to have come as a ‘shock’. Following their win over Leeds in the Championship play-off final, Southampton have been active in the window. Already, Martin’s Saints have signed eight players including Flynn Downes and Adam Lallana. More than £50m has been spent on new signings as Southampton look to survive an immediate return to The Championship next season. Leeds meanwhile, have been much more reserved in the transfer window. A £10m deal for Jo…
