UNIAN: Ex-Shakhtar Donetsk’s striker Ferreyra signs deal with BenficaBy UNIAN. Published June 7, 2018. Updated June 7 at 5:57 pm Shakhtar Donetsk's Argentinian forward Facundo Ferreyra reacts during the UEFA Champions League round of 16 second leg football match AS Roma vs Shakhtar Donetsk on March 13, at the Olympic stadium in Rome. Photo by AFPFerreyra said it is a big challenge for him.Read more here.