Chelsea were dumped out of the Capital One Cup 4th round by Stoke City on Tuesday, while Arsenal suffered a humiliating 3-0 defeat at Sheffield Wednesday.
Arsenal are on a four-game winning streak in the Premier League but forward Olivier Giroud says it is too early in the season to focus on their title bid.
Bayern Munich winger Arjen Robben sparkled on his comeback from injury after almost two months, scoring the champions' first goal in a 4-0 demolition of Cologne on Saturday for their 1,000th victory in the Bundesliga that put them 10 points clear at the top.
With his team in great shape, Arsene Wenger hopes the likes of Walcott, Ozil and Giroud can power Arsenal to the top of the table in the Premier League.