Borussia Dortmund to Use Mats Hummels as Make-Shift Forward if World Cup Winner Re-Joins Club | 90min
Mats Hummels explains why he ultimately chose to return to Borussia Dortmund - Bavarian Football Works
Mats Hummels completes return to Borussia Dortmund from Bayern Munich | Football News | Sky Sports
Mats Hummels: Adjusting to life back at Borussia Dortmund was easier than I expected
Roundtable: Should Borussia Dortmund really bring back Mats Hummels?
Borussia Dortmund face uncertainty over Mats Hummels injury
Manchester United get all-clear to sign Borussia Dortmund's Mats Hummels | Borussia Dortmund | The Guardian
Mats Hummels: ′The worst I have ever played′ | Sports | German football and major international sports news | DW | 27.07.2015
Mats Hummels: Borussia Dortmund are good enough to win titles
Mats Hummels joins Bayern Munich: Borussia Dortmund announce completed deal as defender returns to former club | The Independent | The Independent
Mats Hummels: "Borussia Dortmund a bigger team than when I was last here" | Bundesliga
The Daily Bee: A Crazy Sporting Weekend, and Mats Hummels Makes History - Fear The Wall
BVB provides updates: Hummels injury not serious, Delaney ruled out
The future of Borussia Dortmund captain Mats Hummels remains a mystery | Sports | German football and major international sports news | DW | 21.04.2016
Official: Borussia Dortmund sign Mats Hummels from Bayern Munich - Fear The Wall
Should Borussia Dortmund Bench Captain Mats Hummels? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report