The UEFA Champions League semifinals get underway on Tuesday, Apr. 29 with Arsenal taking on Paris Saint-Germain for the second time this European campaign.

Three-quarters of the field might have finished second, third and fourth in the Champions League's league phase, but the team who had to scrabble in to the knockout playoffs on the final day are just as fancied as anyone else.

Go back to 2010 — when Lamine Yamal was not even 3 years old and Lionel Messi was close to his prime — and Camp Nou was the scene of one of the most memorable matches in Champions League history,