Warning: this is tough.
Roma stunned Barcelona on Tuesday night. Trialling 4-1 from the first-leg, the Italians dominated Lionel Messi and co, winning 3-0 and advancing to the semi-finals on the away goal rule.
The result immediately went down as one of the great Champions League comebacks, of which there have been many.
Here, we want to test your knowledge of legendary Champions League comebacks. This is an advanced quiz and we're fairly confident you won't get top marks, but we're hoping to be proved wrong.
Give it a bash and let us know how you get on.
