The 20-year-old is out of contract at Arsenal at the end of the season and can leave the club on a free transfer.
El Mundo Deportivo reports that Merida has agreed a deal with Atletico Madrid for five seasons.
The 20-year-old is out of contract at Arsenal at the end of the season and can leave the club on a free transfer.
El Mundo Deportivo reports that Merida has agreed a deal with Atletico Madrid for five seasons.
