Ronald Koeman is set to wrap up his summer signings by completing deals for Toby Alderweireld of Atlético Madrid and Sadio Mané of Red Bull Salzburg.
Alderweireld, 25, is currently in Southampton and is undergoing a medical, ahead of completing a season-long loan to join up with Saints for the 2014/15 Premier League season.
Mané, 22, has been monitored by the likes of Manchester City, Tottenham Hotspur and Real Madrid, but looks set to sign for Saints after the club agreed an £11.8m fee with his current club.
Mané is not in the country at current, but is understood to be undergoing a medical under the supervision of club staff, who have travelled to Germany to tie up a permanent deal for the highly-rated Senegalese winger.
The arrivals of Alderweireld and Mané will signal the end of the incomings at St. Mary's, during a turbulent summer which has seen nine new faces join the club.
Forster, Gardos, Tadić, Long, Pellé and Mané will make up the permanent signings who have joined the club on a basis this transfer window.
Toby Alderweireld and Ryan Bertrand will both be on loan from their parent clubs for the duration of the season, with the Bertrand deal understood to include a £10m 'buy-out clause' if Southampton wish to purchase the player from Chelsea.
It remains unclear at this point whether Saints will have any option-to-buy on Alderweireld, but it is not expected.
The Belgian defender had been expected to sign for Newcastle United, before a last-ditch attempt from Ronald Koeman and brother Erwin saw Alderweireld decide to make Southampton his destination in the final throws of the transfer window.