Arsenal manager Unai Emery has said that facing Manchester United at Old Trafford remains "a big challenge".
United have endured a disappointing start to the campaign, with Jose Mourinho's side sitting eight points adrift of Arsenal in the Premier League table.
The two sides go head to head in the North-West of England on Wednesday night, and while Emery has acknowledged that his side are motivated to claim a result, the Spaniard claims that they must improve their performances away from the Emirates Stadium.
At a press conference, Emery told reporters: "It's a new match, a new challenge, a big challenge. It's away and we need to continue improving our mentality away.
"We know we need to change to get more competitive away. I think the team is doing that, but it's a new challenge because we're going to play against Manchester United away, and the challenge is bigger than other matches.
"For us, it's a very exciting match. The preparation for this match is also a big motivation for us. It gives me a big motivation for Wednesday. If we are stronger now, we need to [show that] on Wednesday."
Arsenal head into the match having put together a 12-match unbeaten streak in the Premier League.
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