Mikel Arteta praised Riccardo Calafiori after the summer signing made an impressive cameo appearance as a second half substitute against Atalanta. The Italy international has had to bide his time for opportunities since his arrival from Bologna in the summer and missed the north London derby as a result of the calf injury he picked up playing for his country a fortnight ago.

Arsenal goalkeeper David Raya was the hero with a stunning double save to preserve a 0-0 Champions League draw with Atalanta.