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.

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.