Roundtable: Should Borussia Dortmund really bring back Mats Hummels?
Borussia Dortmund without Mats Hummels for Bundesliga game against FC Köln | OneFootball
Hummels: I'm not good enough for a Borussia Dortmund extension right now | Goal.com US
Mats Hummels: Adjusting to life back at Borussia Dortmund was easier than I expected
Borussia Dortmund set to sign Mats Hummels | bvb.de
Mats Hummels: 10 things on Borussia Dortmund's World Cup-winning centre-back | Bundesliga
Bayern Munich Alumni: Mats Hummels wants difficult Champions League draw for Borussia Dortmund - Bavarian Football Works
Borussia Dortmund set to hold contract extension talks with Mats Hummels
Borussia Dortmund bangt um den Einsatz von Mats Hummels in den kommenden Spielen - Radio 91.2
Manchester United transfer news: Mats Hummels 'tells team-mates' his Borussia Dortmund exit is on the verge of being sealed | The Independent | The Independent
Mats Hummels: "Borussia Dortmund a bigger team than when I was last here" | Bundesliga
Mats Hummels on what convinced him to make Borussia Dortmund return
Mats Hummels: Transfer talk won't distract Dortmund - Eurosport
Mats Hummels: Dortmund Star Underlines Germany Ambitions Against Man City
Mats Hummels Is Borussia Dortmund Player Who Must Produce After Internationals | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Mats Hummels critical of Borussia Dortmund's performance against Sevilla
BVB-Profi Mats Hummels spricht über mögliche Rolle bei der WM - Sportbuzzer.de