Arsenal will be looking to secure three points when they face Paris Saint-Germain on Tuesday night at Emirates Stadium. Ahead of the match, one expert notes what player could have a big performance

Only five games into the new season, it appears Arsenal supporters have made their minds up on the Brazilian 😳

Arsenal will deploy a potent weapon who never sets foot on the pitch when they bid to exploit Paris Saint Germain's set-piece vulnerability in Tuesday's Champions League showdown.