The lack of height across PSG’s back line may pose an issue, as Pacho is the tallest regular starter at 6’2”. As Arsenal rank among Europe’s most threatening teams from set-pieces, aerial duels will prove key, and Gianluigi Donnarumma will be under pressure to exact a ground stop in his penalty area.

Previewing Arsenal's Champions League semi-final first leg clash with Paris Saint-Germain. Includes how to watch on TV, team news, score prediction and full bui

Arsenal and PSG clash on Tuesday in the first leg of the Champions League semi-final. Opta's supercomputer and experts have predicted the mouth-watering tie.