Jonathan Tah sought permission from Mats Hummels before accepting his jersey number - Bavarian Football Works
Dortmund signs defender Mats Hummels to 1-year contract extension | AP News
Mats Hummels on Twitter: "2 Million Follower on Twitter…this really calls for a reward 😁 I give away a signed matchworn-jersey to say thank you. Like or retweet or answer or whatever
Mats Hummels - Borussia Dortmund defender - ESPN
Mats Hummels - Wikipedia
Mats Hummels - Wikipedia
Transfer news: Mats Hummels remains fully committed to Borussia Dortmund | Football News | Sky Sports
Nach BVB-Wechsel: Mats Hummels hat sein altes Trikot zurück! | Promiflash
Watzke: Mats Hummels very disappointed after World Cup snub