Merino missed the Gunners’ most recent match - against Crystal Palace last Wednesday - and was a doubt for the first leg of Arsenal’s semi-final against PSG at Emirates Stadium on Tuesday. The Spaniard, however, took part in training on Monday afternoon and is expected to be fit for the game.

Arsenal and Paris Saint-Germain will meet for the second time of the current Champions League campaign on Tuesday, although this time will be the

Get all the latest predictions, team news, line-ups, stats and more for Arsenal's Champions League clash with PSG on Tuesday night.