"Aaron Ramsey is getting back to full fitness and sharpness, but everyone played well today. It was a good team performance as it will be when you win 3-0 away from home in a game you have to win," he told BBC Sport.
"We have had to cope to five six players all out at the same time and we have done as well as we can. You live in the real world."
Next up for Arsenal is a home clash against Newcastle United a week tomorrow.