​Dortmund forward attracts interest from Sociedad and BetisFabio Silva has yet to make his breakthrough at Borussia Dortmund following his €22.5 million move from Wolverhampton Wanderers last summer.Two Spanish clubs, Real Sociedad and Real Betis, are now showing interest in bringing his spell in Germany to an end after just one season, according to Bild.However, the 24-year-old striker is said to have indicated internally that he wants to stay and fight to establish himself further at BVB next season.Silva, who has scored three goals in 39 competitive appearances, is under contract with the Black and Yellows until 2030.