Mats Hummels is a more complete player than Jerome Boateng, according to Watzke. Borussia Dortmund CEO Hans-Joachim Watzke has told Sport1 the club's former captain Mats Hummels is Germany's best centre-back. Watzke said Hummels, who joined Bayern Munich in the summer, is a "more complete" player than club and international teammate Jerome Boateng. Hummels spent more than eight years at the Westfalenstadion before returning to his hometown club. And Watzke said Dortmund knew they would not be able to find a similar player to replace Hummels because "we can't afford it." "For...