"Considering we were playing against a top side, we played very efficiently winning the ball back and it was a very impressive first 45 minutes," BBC Sport quotes Arteta as saying. "We have the talent up front to score the goals. But there is also a hunger.
"Now we know that we need to win the ball back quickly, because when we win it back in the final third we are very dangerous. We still have players to come back from injury and they will add their own qualities."
Arsenal have picked up six points from their opening two Champions League matches.