Mosquera's transfer was completed for a €15m fee, and he has signed a contract that will keep him with the club until 2030, with an option to extend for another year.

When asked about his move, Mosquera expressed his gratitude and enthusiasm, saying, "It means a lot to me. There's been a lot of hard work behind all of this."

He continued, "It's an opportunity that came up, and I couldn't let it pass me by. I'm joining a massive club with a rich history. When you arrive here with your family, you really feel the greatness of this place."

Mosquera also acknowledged that his career has progressed faster than expected, and he's eager to continue learning and improving. He's looking forward to working with top-class players and coaching staff, which will help him develop as a player.

Mosquera is a young and energetic player who's motivated and excited to join the Arsenal team. He's committed to improving and creating competition within the squad, and he's thrilled to be a part of the club.