A disallowed header and an early goal frame Arsenal’s narrow defeat, but Mikel Merino believes the second leg in Paris could be defined by the smallest of margins.Photo by Michael Steele/Getty

Defiant Mikel Merino says Arsenal have "proved we can win anywhere" and insists they can still reach the Champions League final after defeat to Paris Saint-Germain in the first leg of their last-four tie.

After a narrow 0-1 loss at the Emirates Stadium, Arsenal are set to face Paris Saint-Germain in a decisive second leg of their European clash in Paris. The Gunners, who came into the tie with high hopes,