Bayern Munich beat Dortmund in the Bundesliga on Saturday . Robert Lewandowski netted only goal against his former club . Dortmund coach Jurgen Klopp says Pep Guardiola 's side deserved win . Captain Mats Hummels disagrees with manager .
Bayern Munich beat Borussia Dortmund 1-0 in the Bundesliga on Saturday . Robert Lewandowski netted only goal against his former club . Dortmund coach Jurgen Klopp says Pep Guardiola 's side deserved win . Captain Mats Hummels disagrees with manager .