The Saints are crying out for a few new signings as Ralph Hasenhuttl looks to drag them away from the Premier League relegation zone.
Jannik Vestergaard did not play well for Southampton against Sheffield United on Saturday.
The Saints defender is a fitness doubt for the Premier League game away at Newcastle United this weekend.
The Saints summer signing played against the Austrian's teams in the Bundesliga and is eager to be part of his philosophy at the Premier League club.
The Saints centre-back is the only player in his position signed by the club since Van Dijk's move to Liverpool.
Southampton lost 1-0 at Cardiff City on Saturday afternoon.
Southampton lost to Cardiff City in the Premier League on Saturday.
Southampton drew 2-2 with Brighton on Monday night.
A brush with relegation last season was a warning for Southampton - but how much have they done to fix the problems that saw the club under such pressure last time around?
Southampton are reportedly nearing the signing of Borussia Monchengladbach defender Jannik Vestergaard.
Tottenham Hotspur are reportedly keen on Benfica's Ruben Dias.
Soumare is one of Ligue 1's best midfielders and he could be about to become Mourinho's first signing since his return to the Premier League with Spurs.
Tottenham Hotspur defender Japhet Tanganga enjoyed a wonderful pre-season, but has rarely been used this term.
Tottenham Hotspur have been linked with a strange move for Nemanja Matic.
The latest reports suggest that Chelsea winger Christian Pulisic will miss out on playing against Manchester City this weekend.
Tottenham Hotspur boss Mauricio Pochettino has now been replaced by Jose Mourinho.
Tottenham Hotspur players have been quick to wish Mauricio Pochettino well following his departure.
Newcastle United striker Dwight Gayle is said to be interesting West Bromwich Albion boss Slaven Bilic ahead of the January transfer window.
Rangers are reportedly close to bringing Cameron Gascoigne to Ibrox permanently.
The Tottenham Hotspur chairman is ready to heavily back his new manager.