Arsenal faces Slavia Prague tonight, aiming to maintain their strong form.
Mikel Arteta's team has a six-point lead in the Premier League and remains unbeaten in the Champions League, with seven consecutive clean sheets.
Slavia Prague, the reigning Czech champions, have kept five clean sheets in a row, recently beating Banik 2-0.
Arsenal's excellence has been built around a defence that has kept seven consecutive clean sheets.
Arsenal's manager, Mikel Arteta, makes four changes to the lineup.
Author's summary: Arsenal faces Slavia Prague in a crucial match.