Danny Welbeck celebrates with Olivier Giroud after scoring the winner for Arsenal
The former Manchester United man fired the Gunners ahead in the second half after heading Santi Cazorla's cross beyond Ben Foster into the back of the net.
Following Arsenal's 2-0 midweek Champions League win against Borussia Dortmund – which came after back-to-back Premier League defeats – Welbeck feels confidence is high among his team-mates.
"I think the clean sheet's very important and we always believed in ourselves to score goals so it was a vital three points for us today," said Welbeck.
Newspaper Review – Saturday 29 November
"It's only one game and the most important thing is to take it one game at a time and we have to prepare well for every single match.
"When we go into games we really want to get the three points."
Despite Arsenal's win, Gunners fans are still unhappy with manager Arsene Wenger and fans unveiled a banner calling for the Frenchman to leave the club.
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