Thomas Mullerl's first half strike proved the difference, and despite a comeback from the Bundesliga champion, Jupp Heynckes' men did enough for victory.
The Bavarian giant capitalized on a woeful first half performance from the Bundesliga champion, with new arrival Mario Mandzukic opening the scoring before Thomas Muller doubled the advantage five minutes later. Dortmund rallied in the second half, eventually pulling one back through Robert Lewandowski, but was unable to find another, allowing Bayern to claim the spoils.
It was Jupp Heynckes’ men that emerged with attacking impetus, and quickly took control of the contest. Franck Ribery’s marauding run led to him producing a low ball across goal, and Dortmund’s defense could only look on as Mandzukic slotted home to net on his competitive debut for his new club.
On 11 minutes, it was two. Arjen Robben’s run deep into Dortmund territory led to him producing a delicate chip that rebounded from the upright, only for Muller to be on hand to lash the ball into the net, and leave Jurgen Klopp’s side reeling.
Bayern cruised through the remainder of the half, experiencing minimal resistance from their old adversaries; indeed, this Dortmund performance looked a far cry from their dominant German Cup final win of just three months previous.
As the second half commenced, however, they began to advance into Bayern territory. Manuel Neuer had to react quickly to beat away a Lewandowski effort from close range, and then Marco Reus got his angles ever so slightly askew, curling his shot marginally wide of the target.
But Lewandowski made no mistake 15 minutes from time, setting up a grandstand finish in the process. The frontman swiveled inside the area and placed his shot expertly inside the post, leaving Neuer helpless and Bayern nervous.
New Dortmund arrival Julian Schieber almost made himself an instant hero moments later, but after collecting Gotze’s through ball, he contrived to guide his effort narrowly wide of goal.
Bayern was hanging on, and Heynckes took action, replacing Ribery with Anatoliy Tymoshchuk in an effort to stem the flow of pressure.
There was still time for controversy, as Lahm appeared to handle the ball inside the area, leaving Klopp apoplectic on the touchline, but the referee waved play on and Bayern maintained its composure and clinched the first silverware of the German season.
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