Arsenal face Slavia Prague in the Czech Republic, 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 in all competitions, including a 2-0 win over Banik on Saturday, and are level on points with Sparta Prague in the domestic league.
The home side makes two changes, with Christos Zafeiris and Youssoupha Mbodji replacing Oscar Dorley and Mojmir Chytil.
Arsenal's excellence has been built around a defence that has kept seven consecutive clean sheets.
Autor's summary: Arsenal faces Slavia Prague in Champions League match.