By FOX Sports Staff
The Borussians saw Marcel Schmelzer leave the field with a broken nose after he came off worse after a challenge and generally struggled to assert control over the game due to hefty challenges by their relegation-threatened opponents.
In the end, the Swabians suffered with their heavy-handed methods as they were down to ten men after Georg Niedermeier collected a second yellow card in the 70th minute. Buoyed by the extra man advantage, Dortmund secured the winning goal eight minutes from time as Robert Lewandowski tapped in his 20th Bundesliga goal of the season.
Weidenfeller, in particular, earned some bruises in the game and he was clearly unhappy with the rough treatment meted out to his team-mates by the Stuttgart players.
"Football shouldn´t be played in such an unfair way. There were some situations where players could have gotten injured - and were injured," he pointed out after the game.
"One player suffered a broken nose, a gaping flesh wound. It went beyond acceptable."
Coach Jurgen Klopp, on the other hand, opted to look on the bright side and told the assembled journalists that the physical battles were a good preparation for his side's impending visit of Malaga in the Champions League quarter-finals on Wednesday night. But he was not happy either and criticised the Stuttgart players for their physicality in the post-match press conference.
"It was a good preparation for the Champions League match in Malaga as they also fly this way into tackles," he said.
"My players suffered bumps to the head, flesh wounds, bruised ribs and so on - today [Saturday] there was a little too much aggressiveness. If we had lost everyone would have said I´m a bad loser, that´s why I´m saying it anyway.
"Today [Saturday] I was often worried about the health of my players - that shouldn´t be part of football! It was too aggressive and a difficult game for the referee, but we were not so much involved in it.
"I think even more cards should have been shown."
Dortmund will only get one more week to hold onto the champions' tag as a victory at Eintracht Frankfurt for Bayern Munich would seal up the title with six games to spare.