Arsene Wenger's side head to the home of the European Cup holders without injured Dutch forward Robin van Perise and cup-tied Russian playmaker Andrey Arshavin, who scored four goals against Liverpool at Anfield last Tuesday.
However, 20-year-old Walcott, who scored the opener against Villarreal in the quarter-finals and bagged a hat-trick for England earlier this season in a 2010 World Cup qualifier in Croatia, is confident the North London outfit have enough in their ranks to ensure they return to the Emirates Stadium with a positive result.
“We always look to keep a clean sheet and, with the attacking players we have got in this team, we can score goals from all sorts of positions," he said.
“If we can get a goal, that would be brilliant result for us. The tempo is going to be very quick, a bit like a Premier League match.”
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