Manchester United v Bayern Munich: Champions League preview

Manchester United will look to create a piece of history by overturning a 2-1 first-leg deficit against Bayern Munich to reach the Champions League semi-finals.

Click here or click the image to launch our guide.

Not only have United never beaten German opposition in a two-legged encounter during Sir Alex Ferguson's time in charge, they have never reached the last four of Europe's most prestigious club competition three seasons on the trot either.

Here, we take a look at the key battles that will have to be won for United to stand a chance.