Buy a ticket and join the fans at a game at Carlos Tartiere Stadium. If there's nothing on while you're in the area, you might like to check if the stadium offers a guided tour of the grounds.
You'll soon find out why this El Cristo y Buenavista sporting facility is a hit with travelers. If you're looking for more to do and see here, Oviedo Cathedral, Calle Uria, and Fernando Alonso Circuit are in this area as well. They won't take you long to reach from Carlos Tartiere Stadium.