Arsenal lineup vs Napoli today: Champions League starting XI

Hear this story Arsenal begins a new UEFA Champions League campaign on Wednesday, Sept. 9 against Napoli, with its opening match of the league phase in Naples after losing to Paris Saint-Germain on penalties in last year's final.

The Gunners went unbeaten in 14 European matches last season before falling in the final, coming up short of the club's first-ever Champions League title after securing a first English championship in 22 years. Arsenal has started off its new season strong in England, winning its first three Premier League matches including a statement 2-1 victory against Chelsea on Sunday .