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.

PSG head coach Luis Enrique - ' [Arsenal] have been doing a remarkable job with their coach for several years. We all deserve to be here.'

TV channel: The game will be broadcast on Amazon Prime Video. Coverage starts at 6.30pm BST ahead of an 8pm kick-off. Live stream: Subscribers will be able to watch on a live stream via the Amazon Prime Video website or app.