Trying to remember what scorelines for the second leg will see us go through is going to do my head in while watching the actual match at the Nou Camp. Any draw would win it for us. And as long as we can score once, a loss by one goal will keep us in as well.
0-0 - Arsenal
1-0 - Barcelona
1-1 - Arsenal
2-0 - Barcelona
2-1 - Extra Time/Penalties
2-2 - Arsenal
3-0 - Barcelona
3-1 - Barcelona
3-2 - Arsenal
3-3 - Arsenal
4-0 - Barcelona
4-1 - Barcelona
4-2 - Barcelona
4-3 - Arsenal
I can see us losing 3-2 at the Nou Camp and going through on away goals. They're obviously going to score - going by their previous home record probably quite a few. We just need to keep up while not slipping up at the back for a cricket score.
Could definitely see Barca going 2-0 up, us pulling one back to 2-1, them getting another for 3-1, then us getting a late goal for 3-2 and make it through!
Edit: Imagine a re-run of Wednesday's game, but instead of going 1-0 down we go 3-0 down before half-time..... then come back and score 2 again in the same manner we did this week and go through! My head would probably explode.