Fabio Vieira believes he has joined one of the biggest clubs in world after completing a switch to Arsenal on Tuesday.
The Portuguese midfielder, 22, has penned a five-year contract after Porto and Arsenal agreed a £34m transfer.
Vieira told the club website: "Arsenal is a historic English club.
"It's one of the biggest clubs in the world. Everyone knows that Arsenal are a fantastic team.
"That was one of the main factors behind me choosing Arsenal. I really like the way the team plays and I can't wait to get started."
He added: "I feel it's the right move in my career. I think it'll be really good for me and I have no regrets about it. I'm thrilled to be here.
"I hope we can achieve the goals that have been set out for the season. We all have to be here for one another and to help the club achieve them."