Arsenal puts an end to conditions for a deal with Valencia for Center-Back Crithian Mosquera.
As Mail Sport reported on Sunday, the lectures went up during the weekend and the 21-year-old agreed with Arsenal.
He is expected to undergo a medical one this week, although the clubs express the final details on a fee of £ 13 million with added bonus payments.
Arsenal wanted to add a defender to compete with William Saliba and Gabriel Magalhaes.
Mosquera can play both in the middle of the center and the right back and will fill the gap in the team that has been left by the departure of Takehiro Tomiyasu, which mutually agreed to end his contract.
The Spain Under-21 International has made 90 performances for Valencia and was a fixed time last season and played the full match in 37 of the 38 LA Liga matches of the club.
Arsenal is the completion of details with Sporting Lisbon for the transfer of Victor Gyokeres.
Chelsea Winger Noni Madueke is expected to undergo a medical and complete the formalities of his £ 52 million move on Monday.
Arsenal has already signed Martin Zubimendi from Real Socidead, Christian Norgaard from Brentford and Kepa Arrizabalaga from Chelsea, while Mikel Arteta wants to strengthen his team after another runner in the Premier League.
The Gunners also want to add another attacking option with Ebereechi Eze from Crystal Palace High on their list of goals.