HITC Sport understands that the promising defender is looking to test himself at the highest level amid Premier League and Bundesliga interest.
Former Liverpool defender Emiliano Insua joins Stuttgart from Atletico Madrid.
Manchester City could propose a swap deal involving Eliaquim Mangala, if they enter the bidding for Valencia star Nicolas Otamendi.
Manchester United are reported to have been tracking Stuttgart's Antonio Rudiger for some time, but his Bundesliga employers have no intention of selling.
Manchester United are one of five clubs looking at FC Metz youngster Belmin Muratovic.
Manchester United's Zoran Tosic is wanted by German side Stuttgart.
The Italian is reportedly set to join one of these two teams on loan for the rest of the season. We assess which club would be the best fit for the 21-year-old.
Eighty percent of success is just showing up.
"Great goals, absurd mistakes – heaven, hell, HSV," was Hamburger Morgenpost's take on the northerners' eventful 4-2 win over Stuttgart's 10 men on Saturday.