There are a lot of teams that don't want to play, that only want to defend against Barcelona, and that makes it difficult. We're always looking for the open space. A lot of times we'll face six defenders and four midfielders.
The best place to defend is in the opposition penalty box.
The only way to stop Messi is to double mark him. One player to stay on him and the other to help out.
Rafa Benitez was keen on defending - all dropping back together if you lose the ball.
You have to defend properly.
We know it's impossible sometimes to have good defending against Cristiano Ronaldo but we want to keep the ball, with good possession, as then he can do nothing in attack.
How do you mark Ronaldo? You try not to leave him alone and don't let him shoot on his right foot. As for Messi... you just make the sign of the cross!
Adrian Peterson is redefining the way teams defend the running ability.
Defending isn't just about tackling and heading, it's also about getting the ball down and playing - starting the attack from the back.
Everyone plays the ball over the top and, at the moment, we only concede goals from crosses or balls over the top. I feel we will adapt to that.
Against West Brom, you are up against very tall defenders, who are very strong, and you have to be strong, too, to keep the ball.
We need the ball even to defend; that's our objective: having the ball and having it as far as possible from our goal as possible.
People always have game plans to take care of Ronaldo, but very few people succeed in keeping him quiet for 90 minutes.
At Ajax, they are strict when it comes to using the ball as a defender.
I've turned into a full-back who pushes forwards whereas in Italy usually the full-back concentrates more on defending.
Never tackle, never go down, we've heard it over and over again. You have to try to keep Messi away from the goal and block him with multiple players while being as close to him as possible. He is too quick, too fast, too intense with the ball.
You need to be able to defend. It's massively important, and at Arsenal, we've sometimes been guilty of forgetting that.