Valladolid vs Real Sociedad prediction (Over/Under)

Valladolid will host the match against Real Sociedad for Copa del Rey, 1st leg, Spain. Real Sociedad the last two matches played on foreign stadium against Leganes and Gijon. Real Sociedad is on 5'th place with one points less than Atl Madrid and four points less than Barca and Sevilla while Valladolid is on 14'th place in LaLiga2. Is and evident difference between these teams and because of this difference this game should have easily more than two goals. The last three head-to-head matches finished with the same score 2-2 and that means four goals per match. In this case over 2.5 goals is not a unsure bet and it has big odds over 2.