Topics: Bundesliga, Bayern München, Borussia Dortmund, Der Klassiker, Gregor Kobel, Dayot Upamecano, Thomas Müller
The game between the league leaders and Die Roten started with an unexpected lead for the hosts, courtesy of the away keeper.

Things could not have started off better for Thomas Tuchel at Bayern. Unluckily for their rivals, Bayern's first goal under their new boss came "thanks" to the contribution of Gregor Kobel.

The Swiss footballer tried to clear a ball away from his box during the first minutes of the clash against Die Roten, but his attempt to send a long ball to Bayern's half ended in the back of the net, as he failed to hit the ball and watched in despair how it slowly rolled into his goal.

The moment will be remembered in years to come as part of the blooper reel in the Bundesliga. Have a look at Kobel's big howler in Der Klassiker (Image might be geo-restricted).

To make things even worse for the shot-stopper, some fans and experts believe he could have done better to deflect Leroy Sané's shot. The outcome of his shaky save ended loose in the box for Thomas Müller to score his brace. Could Kobel have done a better job? You be the judge (Image might be geo-restricted).