Mats Hummels has agreed to rejoin Dortmund for a $43 million transfer fee.
Hummels moved from Dortmund to Bayern Munich in 2016.
Hummels is the fourth player Dortmund has signed this summer after Nico Schulz, Julian Brandt and Thorgen Hazard.
Mats Hummels has agreed to rejoin Dortmund for a $43 million transfer fee.
Hummels moved from Dortmund to Bayern Munich in 2016.
Hummels is the fourth player Dortmund has signed this summer after Nico Schulz, Julian Brandt and Thorgen Hazard.