Bayern Munich were ruthless in putting Borussia Dortmund to the sword in Saturday's top-of-the table Bundesliga clash. The Bavarians took a huge step towards winning their seventh straight title as they thumped Lucien Favre's side 5-0 at the Allianz Arena. It took just 10 minutes for Mats Hummels to open the scoring. In fact, the centre-back might feel aggrieved he didn't put away a host of other chances as he was utterly dominant in the air. Perhaps inevitably, it was another of Dortmund's old boys who was to inflict more pain as Robert Lewandowski netted his 200th Bundesliga goal. It came courtesy of some hapless defending from Dan-Axel Zagadou, the 19-year-old mercifully hauled off before half-time as he looked completely out of his depth. Serge Gnabry plays with Van Dijk vs Netherlands
Mourinho open to Bayern switch
Dortmund's Yellow Wall roaring vs Wolfsburg Javi Martinez was next to get in on the act. Roman Burki kept out Thomas Muller's effort and Lewandowski was denied moments later, but Martinez was ready to capitalise on the edge of the area with a fine finish. And so, it fell to Serge Gnabry to banish any remaining doubts as he headed home a well-worked team move. Lewandowski then scored his second of the evening with a minute of normal time remaining. For so much of the season, it looked like Bayern might have been about to relinquish their crown. There has been so much to admire about Dortmund, but tellingly it was their young defence, with the obvious exception of Lukasz Piszczek, that struggled on the big occasion once again. Take a look at the four first-half goals below: 

Dortmund disappoint 

It has to be said Dortmund lacked inspiration at the other end, too. Chances were few and far between for the visitors, though they did open up Bayern a couple of times early on. 

First, Mahmoud Dahoud squandered an early chance following good work from Marco Reus and Piszczek went on to wake Manuel Neuer from his slumber. 

Just before the half-hour mark came the first real opening for England's Jadon Sancho. Yet the teenager, so often at the heart of Dortmund's attack this season, fluffed his lines and put the ball straight back into Neuer's arms. 

And to think, Niko Kovac had failed to win any of his last five competitive games against Dortmund. How that changed this weekend, when it mattered more than ever.