Every word Mikel Arteta said on Porto win, David Raya, Arsenal penalties and Sergio Conceicao

How would you summarise your emotions?

A magic night. What we expected, a really tough opponent, really well organised and very difficult to generate constant momentum in the game. That’s credit to them. We did it. We scored a beautiful goal and then we insisted in different ways. We had to do it at the end with the penalties. We prepared well. Credit to the coaches and the ones who took it. Of course David, who had some difficult moments to start but stood up with incredible personality and ambition. In the end we got the reward.

What kind of impact will this have?

For them to do it when the club hasn’t managed to do it for 14 years, I tell you it will be a boost. The margins are so small. You find a way to do it again. I see how much they want it, how much they try and they are able to sacrifice anything to win. When you play like this at the end good things are going to come your way.

You told the fans to bring the noise — have you experienced an atmosphere like that?

Probably not. It was amazing. From the start to the end, when they had to bring that extra at the end with penalties. They brought their brains. They were so smart with the way they did it, the way they helped us and a huge thank you. With them we are much better. They impacted the game in a really strong way.

Conceicao said after first leg you 'played and they won' — satisfied you played your way and won?
Yeah, we always play. If not I don't know how you are top of the Premier League.

No fixed hierarchy of penalty takers — glad tonight?
I didn't think that but it's a great point and probably a great experience. Because that experience is much more real than what we've done in the last two days. We had to go through that tonight and, yeah, they