Luckily for the defender, his mistake was merely an anechdote after Bayern's display during the first half of the quarterfinal tie.

Bayern München may have had a great first half against Barcelona, but David Alaba's performance left some German fans baffled.

The Swiss footballer dropped the ball in massive fashion when he failed to clear a cross away from Bayern's box. What ended up happening was both cringe-worthy and surprising, as his effort to clear the ball found the back of Manuel Neuer's net.

Alaba has often been named as a potential reinforcement for Barcelona, and fans did not hold back when talking about his poor defending skills. Have a look at some of the best trolls offered by football fans on Twitter.